342320542 has 4 divisors (see below), whose sum is σ = 513480816. Its totient is φ = 171160270.

The previous prime is 342320527. The next prime is 342320567. The reversal of 342320542 is 245023243.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85580134 + ... + 85580137.

It is an arithmetic number, because the mean of its divisors is an integer number (128370204).

Almost surely, 2^342320542 is an apocalyptic number.

342320542 is a deficient number, since it is larger than the sum of its proper divisors (171160274).

342320542 is a wasteful number, since it uses less digits than its factorization.

342320542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171160273.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 342320542 is about 18501.9064423102. The cubic root of 342320542 is about 699.5374781315.

Adding to 342320542 its reverse (245023243), we get a palindrome (587343785).

The spelling of 342320542 in words is "three hundred forty-two million, three hundred twenty thousand, five hundred forty-two".