202144131157 has 2 divisors, whose sum is σ = 202144131158. Its totient is φ = 202144131156.

The previous prime is 202144131139. The next prime is 202144131229. The reversal of 202144131157 is 751131441202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109928054916 + 92216076241 = 331554^2 + 303671^2 .

It is a cyclic number.

It is not a de Polignac number, because 202144131157 - 2²⁷ = 202009913429 is a prime.

It is a super-2 number, since 2×202144131157² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202144131127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101072065578 + 101072065579.

It is an arithmetic number, because the mean of its divisors is an integer number (101072065579).

Almost surely, 2^202144131157 is an apocalyptic number.

It is an amenable number.

202144131157 is a deficient number, since it is larger than the sum of its proper divisors (1).

202144131157 is an equidigital number, since it uses as much as digits as its factorization.

202144131157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 202144131157 its reverse (751131441202), we get a palindrome (953275572359).

The spelling of 202144131157 in words is "two hundred two billion, one hundred forty-four million, one hundred thirty-one thousand, one hundred fifty-seven".