342155885 has 4 divisors (see below), whose sum is σ = 410587068. Its totient is φ = 273724704.

The previous prime is 342155851. The next prime is 342155929. The reversal of 342155885 is 588551243.

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

It can be written as a sum of positive squares in 2 ways, for example, as 116014441 + 226141444 = 10771^2 + 15038^2 .

It is a cyclic number.

It is not a de Polignac number, because 342155885 - 2¹⁰ = 342154861 is a prime.

It is a super-3 number, since 3×342155885³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent 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, 34215584 + ... + 34215593.

It is an arithmetic number, because the mean of its divisors is an integer number (102646767).

Almost surely, 2^342155885 is an apocalyptic number.

It is an amenable number.

342155885 is a deficient number, since it is larger than the sum of its proper divisors (68431183).

342155885 is an equidigital number, since it uses as much as digits as its factorization.

342155885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68431182.

The product of its digits is 192000, while the sum is 41.

The square root of 342155885 is about 18497.4561764584. The cubic root of 342155885 is about 699.4253004099.

The spelling of 342155885 in words is "three hundred forty-two million, one hundred fifty-five thousand, eight hundred eighty-five".