45512221451 has 16 divisors (see below), whose sum is σ = 48880680960. Its totient is φ = 42277641120.

The previous prime is 45512221441. The next prime is 45512221457. The reversal of 45512221451 is 15412221554.

45512221451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 45512221451 - 2¹⁸ = 45511959307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45512221457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94475 + ... + 316148.

It is an arithmetic number, because the mean of its divisors is an integer number (3055042560).

Almost surely, 2^45512221451 is an apocalyptic number.

45512221451 is a deficient number, since it is larger than the sum of its proper divisors (3368459509).

45512221451 is a wasteful number, since it uses less digits than its factorization.

45512221451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410786.

The product of its digits is 16000, while the sum is 32.

The spelling of 45512221451 in words is "forty-five billion, five hundred twelve million, two hundred twenty-one thousand, four hundred fifty-one".