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153155345 = 5731141157
BaseRepresentation
bin10010010000011…
…11011100010001
3101200012002122012
421020033130101
5303201432340
623110352305
73536541020
oct1110173421
9350162565
10153155345
11794a7972
124335b695
1325965185
14164aa8b7
15d6a4565
hex920f711

153155345 has 16 divisors (see below), whose sum is σ = 216818688. Its totient is φ = 101632320.

The previous prime is 153155291. The next prime is 153155347. The reversal of 153155345 is 543551351.

It is not a de Polignac number, because 153155345 - 210 = 153154321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153155347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69494 + ... + 71663.

It is an arithmetic number, because the mean of its divisors is an integer number (13551168).

Almost surely, 2153155345 is an apocalyptic number.

It is an amenable number.

153155345 is a deficient number, since it is larger than the sum of its proper divisors (63663343).

153155345 is a wasteful number, since it uses less digits than its factorization.

153155345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141200.

The product of its digits is 22500, while the sum is 32.

The square root of 153155345 is about 12375.5947331835. The cubic root of 153155345 is about 535.0290781063.

The spelling of 153155345 in words is "one hundred fifty-three million, one hundred fifty-five thousand, three hundred forty-five".

Divisors: 1 5 7 31 35 155 217 1085 141157 705785 988099 4375867 4940495 21879335 30631069 153155345