342694144 has 81 divisors (see below), whose sum is σ = 749132643. Its totient is φ = 156389376.

The previous prime is 342694139. The next prime is 342694153. The reversal of 342694144 is 441496243.

The square root of 342694144 is 18512.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 149817600 + 192876544 = 12240^2 + 13888^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3850452 + ... + 3850540.

Almost surely, 2^342694144 is an apocalyptic number.

342694144 is the 18512-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342694144

342694144 is an abundant number, since it is smaller than the sum of its proper divisors (406438499).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342694144 is an frugal number, since it uses more digits than its factorization.

342694144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 104 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The cubic root of 342694144 is about 699.7918728187.

Multiplying 342694144 by its product of digits (82944), we get a square (28424423079936 = 5331456²).

The spelling of 342694144 in words is "three hundred forty-two million, six hundred ninety-four thousand, one hundred forty-four".