342372155 has 4 divisors (see below), whose sum is σ = 410846592. Its totient is φ = 273897720.

The previous prime is 342372139. The next prime is 342372169. The reversal of 342372155 is 551273243.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 342372155 - 2⁴ = 342372139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34237211 + ... + 34237220.

It is an arithmetic number, because the mean of its divisors is an integer number (102711648).

Almost surely, 2^342372155 is an apocalyptic number.

342372155 is a deficient number, since it is larger than the sum of its proper divisors (68474437).

342372155 is an equidigital number, since it uses as much as digits as its factorization.

342372155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68474436.

The product of its digits is 25200, while the sum is 32.

The square root of 342372155 is about 18503.3011919495. The cubic root of 342372155 is about 699.5726336938.

The spelling of 342372155 in words is "three hundred forty-two million, three hundred seventy-two thousand, one hundred fifty-five".