202245057 has 12 divisors (see below), whose sum is σ = 333864960. Its totient is φ = 115568568.

The previous prime is 202245053. The next prime is 202245059. The reversal of 202245057 is 750542202.

202245057 is a `hidden beast` number, since 202 + 2 + 450 + 5 + 7 = 666.

It is not a de Polignac number, because 202245057 - 2² = 202245053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202245057.

It is not an unprimeable number, because it can be changed into a prime (202245053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1605057 + ... + 1605182.

It is an arithmetic number, because the mean of its divisors is an integer number (27822080).

Almost surely, 2^202245057 is an apocalyptic number.

It is an amenable number.

202245057 is a deficient number, since it is larger than the sum of its proper divisors (131619903).

202245057 is a wasteful number, since it uses less digits than its factorization.

202245057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3210252 (or 3210249 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 202245057 is about 14221.2888656408. The cubic root of 202245057 is about 586.9836061154.

Adding to 202245057 its reverse (750542202), we get a palindrome (952787259).

It can be divided in two parts, 20224 and 5057, that added together give a square (25281 = 159²).

The spelling of 202245057 in words is "two hundred two million, two hundred forty-five thousand, fifty-seven".