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145332276 = 22312111023
BaseRepresentation
bin10001010100110…
…01100000110100
3101010110122101220
420222121200310
5244201113101
622230550340
73413206155
oct1052314064
9333418356
10145332276
1175044321
12408083b0
132415643b
141543192c
15cb5b636
hex8a99834

145332276 has 12 divisors (see below), whose sum is σ = 339108672. Its totient is φ = 48444088.

The previous prime is 145332241. The next prime is 145332277. The reversal of 145332276 is 672233541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1453322762 = 42242940894680352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145332277) 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 3 ways as a sum of consecutive naturals, for example, 6055500 + ... + 6055523.

It is an arithmetic number, because the mean of its divisors is an integer number (28259056).

Almost surely, 2145332276 is an apocalyptic number.

It is an amenable number.

145332276 is an abundant number, since it is smaller than the sum of its proper divisors (193776396).

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

145332276 is a wasteful number, since it uses less digits than its factorization.

145332276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111030 (or 12111028 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 145332276 is about 12055.3836936035. The cubic root of 145332276 is about 525.7597779265.

The spelling of 145332276 in words is "one hundred forty-five million, three hundred thirty-two thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 12111023 24222046 36333069 48444092 72666138 145332276