200165145 has 16 divisors (see below), whose sum is σ = 321878400. Its totient is φ = 106216704.

The previous prime is 200165107. The next prime is 200165167. The reversal of 200165145 is 541561002.

It is not a de Polignac number, because 200165145 - 2⁸ = 200164889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30544 + ... + 36513.

It is an arithmetic number, because the mean of its divisors is an integer number (20117400).

Almost surely, 2^200165145 is an apocalyptic number.

It is an amenable number.

200165145 is a deficient number, since it is larger than the sum of its proper divisors (121713255).

200165145 is a wasteful number, since it uses less digits than its factorization.

200165145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67264.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 200165145 is about 14147.9731763953. The cubic root of 200165145 is about 584.9644656625.

The spelling of 200165145 in words is "two hundred million, one hundred sixty-five thousand, one hundred forty-five".