165145350 has 48 divisors (see below), whose sum is σ = 417308112. Its totient is φ = 43205760.

The previous prime is 165145333. The next prime is 165145363. The reversal of 165145350 is 53541561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2437 + ... + 18336.

It is an arithmetic number, because the mean of its divisors is an integer number (8693919).

Almost surely, 2^165145350 is an apocalyptic number.

165145350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165145350 is an abundant number, since it is smaller than the sum of its proper divisors (252162762).

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

165145350 is a wasteful number, since it uses less digits than its factorization.

165145350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20841 (or 20836 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 165145350 is about 12850.8890743014. The cubic root of 165145350 is about 548.6416618403.

The spelling of 165145350 in words is "one hundred sixty-five million, one hundred forty-five thousand, three hundred fifty".