200156745 has 16 divisors (see below), whose sum is σ = 320783040. Its totient is φ = 106572864.

The previous prime is 200156743. The next prime is 200156767. The reversal of 200156745 is 547651002.

It is not a de Polignac number, because 200156745 - 2¹ = 200156743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200156743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1494 + ... + 20063.

It is an arithmetic number, because the mean of its divisors is an integer number (20048940).

Almost surely, 2^200156745 is an apocalyptic number.

It is an amenable number.

200156745 is a deficient number, since it is larger than the sum of its proper divisors (120626295).

200156745 is a wasteful number, since it uses less digits than its factorization.

200156745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22184.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 200156745 is about 14147.6763109706. The cubic root of 200156745 is about 584.9562828022.

The spelling of 200156745 in words is "two hundred million, one hundred fifty-six thousand, seven hundred forty-five".