342902142 has 72 divisors (see below), whose sum is σ = 820873872. Its totient is φ = 103371840.

The previous prime is 342902117. The next prime is 342902149. The reversal of 342902142 is 241209243.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342902149) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 681463 + ... + 681965.

It is an arithmetic number, because the mean of its divisors is an integer number (11401026).

Almost surely, 2^342902142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342902142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410436936).

342902142 is an abundant number, since it is smaller than the sum of its proper divisors (477971730).

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

342902142 is a wasteful number, since it uses less digits than its factorization.

342902142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 342902142 is about 18517.6170713189. The cubic root of 342902142 is about 699.9334236001.

The spelling of 342902142 in words is "three hundred forty-two million, nine hundred two thousand, one hundred forty-two".