200156045 has 16 divisors (see below), whose sum is σ = 255264048. Its totient is φ = 150144000.

The previous prime is 200156039. The next prime is 200156081. The reversal of 200156045 is 540651002.

It can be written as a sum of positive squares in 8 ways, for example, as 23319241 + 176836804 = 4829^2 + 13298^2 .

It is not a de Polignac number, because 200156045 - 2⁶ = 200155981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200156045.

It is a congruent number.

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, 19295 + ... + 27795.

It is an arithmetic number, because the mean of its divisors is an integer number (15954003).

Almost surely, 2^200156045 is an apocalyptic number.

It is an amenable number.

200156045 is a deficient number, since it is larger than the sum of its proper divisors (55108003).

200156045 is a wasteful number, since it uses less digits than its factorization.

200156045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8800.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 200156045 is about 14147.6515719041. The cubic root of 200156045 is about 584.9556008868.

The spelling of 200156045 in words is "two hundred million, one hundred fifty-six thousand, forty-five".