342142140 has 48 divisors (see below), whose sum is σ = 978388992. Its totient is φ = 89295936.

The previous prime is 342142103. The next prime is 342142147. The reversal of 342142140 is 41241243.

It is a super-2 number, since 2×342142140² = 234122487927559200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342142147) 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, 57844 + ... + 63483.

It is an arithmetic number, because the mean of its divisors is an integer number (20383104).

Almost surely, 2^342142140 is an apocalyptic number.

342142140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342142140 is an abundant number, since it is smaller than the sum of its proper divisors (636246852).

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

342142140 is a wasteful number, since it uses less digits than its factorization.

342142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121386 (or 121384 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 342142140 is about 18497.0846351526. The cubic root of 342142140 is about 699.4159345722.

Adding to 342142140 its reverse (41241243), we get a palindrome (383383383).

The spelling of 342142140 in words is "three hundred forty-two million, one hundred forty-two thousand, one hundred forty".