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145102232 = 23112149899
BaseRepresentation
bin10001010011000…
…01010110011000
3101010000221211202
420221201112120
5244121232412
622222013332
73411230402
oct1051412630
9333027752
10145102232
11749a7500
1240717248
13240a5812
14153b1b72
15cb133c2
hex8a61598

145102232 has 24 divisors (see below), whose sum is σ = 299050500. Its totient is φ = 65955120.

The previous prime is 145102213. The next prime is 145102241. The reversal of 145102232 is 232201541.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 73982 + ... + 75917.

Almost surely, 2145102232 is an apocalyptic number.

It is an amenable number.

145102232 is an abundant number, since it is smaller than the sum of its proper divisors (153948268).

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

145102232 is a wasteful number, since it uses less digits than its factorization.

145102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149927 (or 149912 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 145102232 is about 12045.8387835800. The cubic root of 145102232 is about 525.4822260128.

Adding to 145102232 its reverse (232201541), we get a palindrome (377303773).

The spelling of 145102232 in words is "one hundred forty-five million, one hundred two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 149899 299798 599596 1199192 1648889 3297778 6595556 13191112 18137779 36275558 72551116 145102232