165035745 has 64 divisors (see below), whose sum is σ = 355069440. Its totient is φ = 71000064.

The previous prime is 165035743. The next prime is 165035747. The reversal of 165035745 is 547530561.

It is an interprime number because it is at equal distance from previous prime (165035743) and next prime (165035747).

It is not a de Polignac number, because 165035745 - 2¹ = 165035743 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (165035743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10929 + ... + 21201.

It is an arithmetic number, because the mean of its divisors is an integer number (5547960).

Almost surely, 2^165035745 is an apocalyptic number.

165035745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165035745 is an abundant number, since it is smaller than the sum of its proper divisors (190033695).

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

165035745 is a wasteful number, since it uses less digits than its factorization.

165035745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311 (or 10305 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 165035745 is about 12846.6238755558. The cubic root of 165035745 is about 548.5202593351.

The spelling of 165035745 in words is "one hundred sixty-five million, thirty-five thousand, seven hundred forty-five".