342142444 has 24 divisors (see below), whose sum is σ = 688825088. Its totient is φ = 145659600.

The previous prime is 342142429. The next prime is 342142477. The reversal of 342142444 is 444241243.

342142444 = T₂₁₆ + T₂₁₇ + ... + T₁₂₇₂.

It is a super-2 number, since 2×342142444² = 234122903972586272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36234 + ... + 44689.

Almost surely, 2^342142444 is an apocalyptic number.

It is an amenable number.

342142444 is an abundant number, since it is smaller than the sum of its proper divisors (346682644).

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

342142444 is a wasteful number, since it uses less digits than its factorization.

342142444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81085 (or 81083 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 342142444 is about 18497.0928526620. The cubic root of 342142444 is about 699.4161417204.

Adding to 342142444 its reverse (444241243), we get a palindrome (786383687).

The spelling of 342142444 in words is "three hundred forty-two million, one hundred forty-two thousand, four hundred forty-four".