345445342015 has 16 divisors (see below), whose sum is σ = 435638937888. Its totient is φ = 262633988736.

The previous prime is 345445341931. The next prime is 345445342057. The reversal of 345445342015 is 510243544543.

It is a cyclic number.

It is not a de Polignac number, because 345445342015 - 2²¹ = 345443244863 is a prime.

It is a Duffinian number.

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, 21704512 + ... + 21720421.

It is an arithmetic number, because the mean of its divisors is an integer number (27227433618).

Almost surely, 2^345445342015 is an apocalyptic number.

345445342015 is a deficient number, since it is larger than the sum of its proper divisors (90193595873).

345445342015 is a wasteful number, since it uses less digits than its factorization.

345445342015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43425018.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 345445342015 its reverse (510243544543), we get a palindrome (855688886558).

The spelling of 345445342015 in words is "three hundred forty-five billion, four hundred forty-five million, three hundred forty-two thousand, fifteen".