202245157 has 2 divisors, whose sum is σ = 202245158. Its totient is φ = 202245156.

The previous prime is 202245103. The next prime is 202245161. The reversal of 202245157 is 751542202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175059361 + 27185796 = 13231^2 + 5214^2 .

It is a cyclic number.

It is not a de Polignac number, because 202245157 - 2²³ = 193856549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202245257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101122578 + 101122579.

It is an arithmetic number, because the mean of its divisors is an integer number (101122579).

Almost surely, 2^202245157 is an apocalyptic number.

It is an amenable number.

202245157 is a deficient number, since it is larger than the sum of its proper divisors (1).

202245157 is an equidigital number, since it uses as much as digits as its factorization.

202245157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 202245157 is about 14221.2923814961. The cubic root of 202245157 is about 586.9837028600.

Adding to 202245157 its reverse (751542202), we get a palindrome (953787359).

The spelling of 202245157 in words is "two hundred two million, two hundred forty-five thousand, one hundred fifty-seven".