Search a number
-
+
144442080 = 25325372711
BaseRepresentation
bin10001001110000…
…00001011100000
3101001210102021200
420213000023200
5243434121310
622155521200
73402510636
oct1047001340
9331712250
10144442080
1174596522
1240459200
1323c041b3
141527d356
15ca329c0
hex89c02e0

144442080 has 144 divisors (see below), whose sum is σ = 506417184. Its totient is φ = 37463040.

The previous prime is 144442073. The next prime is 144442087. The reversal of 144442080 is 80244441.

It is a happy number.

144442080 is a `hidden beast` number, since 14 + 444 + 208 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (144442073) and next prime (144442087).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51925 + ... + 54635.

It is an arithmetic number, because the mean of its divisors is an integer number (3516786).

Almost surely, 2144442080 is an apocalyptic number.

144442080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144442080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253208592).

144442080 is an abundant number, since it is smaller than the sum of its proper divisors (361975104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144442080 is a wasteful number, since it uses less digits than its factorization.

144442080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 144442080 is about 12018.4058843093. The cubic root of 144442080 is about 524.6841092875.

The spelling of 144442080 in words is "one hundred forty-four million, four hundred forty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 37 40 45 48 60 72 74 80 90 96 111 120 144 148 160 180 185 222 240 288 296 333 360 370 444 480 555 592 666 720 740 888 1110 1184 1332 1440 1480 1665 1776 2220 2664 2711 2960 3330 3552 4440 5328 5422 5920 6660 8133 8880 10656 10844 13320 13555 16266 17760 21688 24399 26640 27110 32532 40665 43376 48798 53280 54220 65064 81330 86752 97596 100307 108440 121995 130128 162660 195192 200614 216880 243990 260256 300921 325320 390384 401228 433760 487980 501535 601842 650640 780768 802456 902763 975960 1003070 1203684 1301280 1504605 1604912 1805526 1951920 2006140 2407368 3009210 3209824 3611052 3903840 4012280 4513815 4814736 6018420 7222104 8024560 9027630 9629472 12036840 14444208 16049120 18055260 24073680 28888416 36110520 48147360 72221040 144442080