202153045 has 8 divisors (see below), whose sum is σ = 244731096. Its totient is φ = 160290816.

The previous prime is 202153033. The next prime is 202153073. The reversal of 202153045 is 540351202.

It can be written as a sum of positive squares in 4 ways, for example, as 1521 + 202151524 = 39^2 + 14218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202153045 - 2⁵ = 202153013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178332 + ... + 179461.

It is an arithmetic number, because the mean of its divisors is an integer number (30591387).

Almost surely, 2^202153045 is an apocalyptic number.

It is an amenable number.

202153045 is a deficient number, since it is larger than the sum of its proper divisors (42578051).

202153045 is a wasteful number, since it uses less digits than its factorization.

202153045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357911.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 202153045 is about 14218.0534884350. The cubic root of 202153045 is about 586.8945759572.

The spelling of 202153045 in words is "two hundred two million, one hundred fifty-three thousand, forty-five".