342404157 has 16 divisors (see below), whose sum is σ = 486371520. Its totient is φ = 213518592.

The previous prime is 342404143. The next prime is 342404177. The reversal of 342404157 is 751404243.

It is not a de Polignac number, because 342404157 - 2¹⁰ = 342403133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342404107) 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, 12282 + ... + 28907.

It is an arithmetic number, because the mean of its divisors is an integer number (30398220).

Almost surely, 2^342404157 is an apocalyptic number.

It is an amenable number.

342404157 is a deficient number, since it is larger than the sum of its proper divisors (143967363).

342404157 is a wasteful number, since it uses less digits than its factorization.

342404157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41372.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 342404157 is about 18504.1659363507. The cubic root of 342404157 is about 699.5944296894.

The spelling of 342404157 in words is "three hundred forty-two million, four hundred four thousand, one hundred fifty-seven".