255157342 has 32 divisors (see below), whose sum is σ = 433926144. Its totient is φ = 111477600.

The previous prime is 255157261. The next prime is 255157349. The reversal of 255157342 is 243751552.

It is a junction number, because it is equal to n+sod(n) for n = 255157298 and 255157307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255157349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105883 + ... + 108265.

It is an arithmetic number, because the mean of its divisors is an integer number (13560192).

Almost surely, 2^255157342 is an apocalyptic number.

255157342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255157342 is a deficient number, since it is larger than the sum of its proper divisors (178768802).

255157342 is a wasteful number, since it uses less digits than its factorization.

255157342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its digits is 42000, while the sum is 34.

The square root of 255157342 is about 15973.6452320690. The cubic root of 255157342 is about 634.2629694568.

The spelling of 255157342 in words is "two hundred fifty-five million, one hundred fifty-seven thousand, three hundred forty-two".