45531242615 has 4 divisors (see below), whose sum is σ = 54637491144. Its totient is φ = 36424994088.

The previous prime is 45531242573. The next prime is 45531242641. The reversal of 45531242615 is 51624213554.

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

It is a cyclic number.

It is not a de Polignac number, because 45531242615 - 2¹⁸ = 45530980471 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 3 ways as a sum of consecutive naturals, for example, 4553124257 + ... + 4553124266.

It is an arithmetic number, because the mean of its divisors is an integer number (13659372786).

Almost surely, 2^45531242615 is an apocalyptic number.

45531242615 is a deficient number, since it is larger than the sum of its proper divisors (9106248529).

45531242615 is an equidigital number, since it uses as much as digits as its factorization.

45531242615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106248528.

The product of its digits is 144000, while the sum is 38.

The spelling of 45531242615 in words is "forty-five billion, five hundred thirty-one million, two hundred forty-two thousand, six hundred fifteen".