165045357 has 24 divisors (see below), whose sum is σ = 247971360. Its totient is φ = 109699920.

The previous prime is 165045347. The next prime is 165045359. The reversal of 165045357 is 753540561.

It is not a de Polignac number, because 165045357 - 2¹⁰ = 165044333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165045359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101007 + ... + 102627.

It is an arithmetic number, because the mean of its divisors is an integer number (10332140).

Almost surely, 2^165045357 is an apocalyptic number.

It is an amenable number.

165045357 is a deficient number, since it is larger than the sum of its proper divisors (82926003).

165045357 is an equidigital number, since it uses as much as digits as its factorization.

165045357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2043 counting only the distinct ones).

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

The square root of 165045357 is about 12846.9979761811. The cubic root of 165045357 is about 548.5309080875.

The spelling of 165045357 in words is "one hundred sixty-five million, forty-five thousand, three hundred fifty-seven".