342043042 has 20 divisors (see below), whose sum is σ = 564415830. Its totient is φ = 155460800.

The previous prime is 342043007. The next prime is 342043063. The reversal of 342043042 is 240340243.

It can be written as a sum of positive squares in only one way, i.e., 291077721 + 50965321 = 17061^2 + 7139^2 .

It is a super-2 number, since 2×342043042² = 233986885161227528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23442 + ... + 35122.

Almost surely, 2^342043042 is an apocalyptic number.

342043042 is a deficient number, since it is larger than the sum of its proper divisors (222372788).

342043042 is an equidigital number, since it uses as much as digits as its factorization.

342043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11727 (or 11694 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 342043042 is about 18494.4056946959. The cubic root of 342043042 is about 699.3484018083.

Adding to 342043042 its reverse (240340243), we get a palindrome (582383285).

The spelling of 342043042 in words is "three hundred forty-two million, forty-three thousand, forty-two".