45223512555 has 16 divisors (see below), whose sum is σ = 77923591200. Its totient is φ = 22263883008.

The previous prime is 45223512493. The next prime is 45223512577. The reversal of 45223512555 is 55521532254.

It is not a de Polignac number, because 45223512555 - 2¹² = 45223508459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 115957530 + ... + 115957919.

It is an arithmetic number, because the mean of its divisors is an integer number (4870224450).

Almost surely, 2^45223512555 is an apocalyptic number.

45223512555 is a deficient number, since it is larger than the sum of its proper divisors (32700078645).

45223512555 is a wasteful number, since it uses less digits than its factorization.

45223512555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231915470.

The product of its digits is 300000, while the sum is 39.

The spelling of 45223512555 in words is "forty-five billion, two hundred twenty-three million, five hundred twelve thousand, five hundred fifty-five".