157229253377 has 6 divisors (see below), whose sum is σ = 182899335618. Its totient is φ = 134767931424.

The previous prime is 157229253373. The next prime is 157229253403. The reversal of 157229253377 is 773352922751.

It can be written as a sum of positive squares in only one way, i.e., 150975765136 + 6253488241 = 388556^2 + 79079^2 .

It is not a de Polignac number, because 157229253377 - 2² = 157229253373 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157229253373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1604380088 + ... + 1604380185.

It is an arithmetic number, because the mean of its divisors is an integer number (30483222603).

Almost surely, 2^157229253377 is an apocalyptic number.

It is an amenable number.

157229253377 is a deficient number, since it is larger than the sum of its proper divisors (25670082241).

157229253377 is an equidigital number, since it uses as much as digits as its factorization.

157229253377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208760287 (or 3208760280 counting only the distinct ones).

The product of its digits is 5556600, while the sum is 53.

The spelling of 157229253377 in words is "one hundred fifty-seven billion, two hundred twenty-nine million, two hundred fifty-three thousand, three hundred seventy-seven".