200161045 has 16 divisors (see below), whose sum is σ = 283973760. Its totient is φ = 132519744.

The previous prime is 200161037. The next prime is 200161061. The reversal of 200161045 is 540161002.

It is not a de Polignac number, because 200161045 - 2³ = 200161037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97587 + ... + 99616.

It is an arithmetic number, because the mean of its divisors is an integer number (17748360).

Almost surely, 2^200161045 is an apocalyptic number.

It is an amenable number.

200161045 is a deficient number, since it is larger than the sum of its proper divisors (83812715).

200161045 is a wasteful number, since it uses less digits than its factorization.

200161045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197244.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 200161045 is about 14147.8282785734. The cubic root of 200161045 is about 584.9604716759.

The spelling of 200161045 in words is "two hundred million, one hundred sixty-one thousand, forty-five".