342142445 has 16 divisors (see below), whose sum is σ = 415549440. Its totient is φ = 270414144.

The previous prime is 342142429. The next prime is 342142477. The reversal of 342142445 is 544241243.

It is a cyclic number.

It is not a de Polignac number, because 342142445 - 2⁴ = 342142429 is a prime.

It is a super-2 number, since 2×342142445² = 234122905341156050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169814 + ... + 171816.

It is an arithmetic number, because the mean of its divisors is an integer number (25971840).

Almost surely, 2^342142445 is an apocalyptic number.

It is an amenable number.

342142445 is a deficient number, since it is larger than the sum of its proper divisors (73406995).

342142445 is a wasteful number, since it uses less digits than its factorization.

342142445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404.

The product of its digits is 15360, while the sum is 29.

The square root of 342142445 is about 18497.0928796933. The cubic root of 342142445 is about 699.4161424018.

Adding to 342142445 its reverse (544241243), we get a palindrome (886383688).

The spelling of 342142445 in words is "three hundred forty-two million, one hundred forty-two thousand, four hundred forty-five".