Search a number
-
+
144325140 = 223519126601
BaseRepresentation
bin10001001101000…
…11101000010100
3101001120110212120
420212203220110
5243421401030
622153215540
73401513001
oct1046435024
9331513776
10144325140
1174516683
12404015b0
1323b92bbb
141524c8a8
15ca0d010
hex89a3a14

144325140 has 48 divisors (see below), whose sum is σ = 425382720. Its totient is φ = 36460800.

The previous prime is 144325133. The next prime is 144325147. The reversal of 144325140 is 41523441.

It is an interprime number because it is at equal distance from previous prime (144325133) and next prime (144325147).

It is a self number, because there is not a number n which added to its sum of digits gives 144325140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144325147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62161 + ... + 64440.

It is an arithmetic number, because the mean of its divisors is an integer number (8862140).

Almost surely, 2144325140 is an apocalyptic number.

144325140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144325140 is an abundant number, since it is smaller than the sum of its proper divisors (281057580).

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

144325140 is a wasteful number, since it uses less digits than its factorization.

144325140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126632 (or 126630 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 144325140 is about 12013.5398613398. The cubic root of 144325140 is about 524.5424766801.

Adding to 144325140 its reverse (41523441), we get a palindrome (185848581).

The spelling of 144325140 in words is "one hundred forty-four million, three hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 30 38 57 60 76 95 114 190 228 285 380 570 1140 126601 253202 379803 506404 633005 759606 1266010 1519212 1899015 2405419 2532020 3798030 4810838 7216257 7596060 9621676 12027095 14432514 24054190 28865028 36081285 48108380 72162570 144325140