Search a number
-
+
145423110 = 23572923879
BaseRepresentation
bin10001010101011…
…11101100000110
3101010122021000010
420222233230012
5244212014420
622232531050
73414035040
oct1052575406
9333567003
10145423110
11750a6598
1240850a86
13241888a1
1415456a90
15cb784e0
hex8aafb06

145423110 has 64 divisors (see below), whose sum is σ = 412646400. Its totient is φ = 32092032.

The previous prime is 145423087. The next prime is 145423111. The reversal of 145423110 is 11324541.

145423110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1454231102 = 42295761844144200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145423111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5850 + ... + 18029.

It is an arithmetic number, because the mean of its divisors is an integer number (6447600).

Almost surely, 2145423110 is an apocalyptic number.

145423110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145423110 is an abundant number, since it is smaller than the sum of its proper divisors (267223290).

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

145423110 is a wasteful number, since it uses less digits than its factorization.

145423110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23925.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 145423110 is about 12059.1504675910. The cubic root of 145423110 is about 525.8692900022.

Adding to 145423110 its reverse (11324541), we get a palindrome (156747651).

The spelling of 145423110 in words is "one hundred forty-five million, four hundred twenty-three thousand, one hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 87 105 145 174 203 210 290 406 435 609 870 1015 1218 2030 3045 6090 23879 47758 71637 119395 143274 167153 238790 334306 358185 501459 692491 716370 835765 1002918 1384982 1671530 2077473 2507295 3462455 4154946 4847437 5014590 6924910 9694874 10387365 14542311 20774730 24237185 29084622 48474370 72711555 145423110