342534157 has 6 divisors (see below), whose sum is σ = 398458158. Its totient is φ = 293600664.

The previous prime is 342534151. The next prime is 342534161. The reversal of 342534157 is 751435243.

It can be written as a sum of positive squares in only one way, i.e., 268763236 + 73770921 = 16394^2 + 8589^2 .

It is not a de Polignac number, because 342534157 - 2⁷ = 342534029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342534151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3495198 + ... + 3495295.

It is an arithmetic number, because the mean of its divisors is an integer number (66409693).

Almost surely, 2^342534157 is an apocalyptic number.

It is an amenable number.

342534157 is a deficient number, since it is larger than the sum of its proper divisors (55924001).

342534157 is an equidigital number, since it uses as much as digits as its factorization.

342534157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6990507 (or 6990500 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 342534157 is about 18507.6783254951. The cubic root of 342534157 is about 699.6829564265.

The spelling of 342534157 in words is "three hundred forty-two million, five hundred thirty-four thousand, one hundred fifty-seven".