202163045 has 16 divisors (see below), whose sum is σ = 279441408. Its totient is φ = 137531520.

The previous prime is 202163011. The next prime is 202163047. The reversal of 202163045 is 540361202.

202163045 = 8208² + 8209² + 8210².

It is not a de Polignac number, because 202163045 - 2⁸ = 202162789 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 202163045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202163047) 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, 18296 + ... + 27185.

It is an arithmetic number, because the mean of its divisors is an integer number (17465088).

Almost surely, 2^202163045 is an apocalyptic number.

It is an amenable number.

202163045 is a deficient number, since it is larger than the sum of its proper divisors (77278363).

202163045 is a wasteful number, since it uses less digits than its factorization.

202163045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45620.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 202163045 is about 14218.4051496643. The cubic root of 202163045 is about 586.9042531946.

The spelling of 202163045 in words is "two hundred two million, one hundred sixty-three thousand, forty-five".