202253145 has 32 divisors (see below), whose sum is σ = 348585984. Its totient is φ = 99844800.

The previous prime is 202253113. The next prime is 202253179. The reversal of 202253145 is 541352202.

It is not a de Polignac number, because 202253145 - 2⁵ = 202253113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1240 + ... + 20150.

It is an arithmetic number, because the mean of its divisors is an integer number (10893312).

Almost surely, 2^202253145 is an apocalyptic number.

It is an amenable number.

202253145 is a deficient number, since it is larger than the sum of its proper divisors (146332839).

202253145 is a wasteful number, since it uses less digits than its factorization.

202253145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18973.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 202253145 is about 14221.5732252096. The cubic root of 202253145 is about 586.9914307156.

The spelling of 202253145 in words is "two hundred two million, two hundred fifty-three thousand, one hundred forty-five".