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145403560 = 23516721767
BaseRepresentation
bin10001010101010…
…10111010101000
3101010121021012001
420222222322220
5244210403220
622232300344
73413624041
oct1052527250
9333537161
10145403560
1175092935
12408416b4
132417ca13
141544d8c8
15cb7280a
hex8aaaea8

145403560 has 32 divisors (see below), whose sum is σ = 329132160. Its totient is φ = 57810496.

The previous prime is 145403551. The next prime is 145403579. The reversal of 145403560 is 65304541.

It is a super-2 number, since 2×1454035602 = 42284390521347200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4204 + ... + 17563.

It is an arithmetic number, because the mean of its divisors is an integer number (10285380).

Almost surely, 2145403560 is an apocalyptic number.

145403560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145403560 is an abundant number, since it is smaller than the sum of its proper divisors (183728600).

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

145403560 is a wasteful number, since it uses less digits than its factorization.

145403560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21945 (or 21941 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 145403560 is about 12058.3398525668. The cubic root of 145403560 is about 525.8457238135.

The spelling of 145403560 in words is "one hundred forty-five million, four hundred three thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 167 334 668 835 1336 1670 3340 6680 21767 43534 87068 108835 174136 217670 435340 870680 3635089 7270178 14540356 18175445 29080712 36350890 72701780 145403560