343142442 has 24 divisors (see below), whose sum is σ = 769113540. Its totient is φ = 110436480.

The previous prime is 343142419. The next prime is 343142461. The reversal of 343142442 is 244241343.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 333464121 + 9678321 = 18261^2 + 3111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328159 + ... + 329202.

Almost surely, 2^343142442 is an apocalyptic number.

343142442 is an abundant number, since it is smaller than the sum of its proper divisors (425971098).

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

343142442 is a wasteful number, since it uses less digits than its factorization.

343142442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657398 (or 657395 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 343142442 is about 18524.1043508182. The cubic root of 343142442 is about 700.0968859093.

Adding to 343142442 its reverse (244241343), we get a palindrome (587383785).

The spelling of 343142442 in words is "three hundred forty-three million, one hundred forty-two thousand, four hundred forty-two".