342440445 has 32 divisors (see below), whose sum is σ = 579601152. Its totient is φ = 172288512.

The previous prime is 342440429. The next prime is 342440489. The reversal of 342440445 is 544044243.

It is not a de Polignac number, because 342440445 - 2⁴ = 342440429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18387 + ... + 31983.

It is an arithmetic number, because the mean of its divisors is an integer number (18112536).

Almost surely, 2^342440445 is an apocalyptic number.

It is an amenable number.

342440445 is a deficient number, since it is larger than the sum of its proper divisors (237160707).

342440445 is a wasteful number, since it uses less digits than its factorization.

342440445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13701.

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 342440445 is about 18505.1464463268. The cubic root of 342440445 is about 699.6191431607.

Adding to 342440445 its reverse (544044243), we get a palindrome (886484688).

The spelling of 342440445 in words is "three hundred forty-two million, four hundred forty thousand, four hundred forty-five".