45512042251 has 8 divisors (see below), whose sum is σ = 50208407424. Its totient is φ = 40986454080.

The previous prime is 45512042249. The next prime is 45512042291. The reversal of 45512042251 is 15224021554.

45512042251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45512042251 - 2¹ = 45512042249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45512042221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42693691 + ... + 42694756.

It is an arithmetic number, because the mean of its divisors is an integer number (6276050928).

Almost surely, 2^45512042251 is an apocalyptic number.

45512042251 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

45512042251 is a deficient number, since it is larger than the sum of its proper divisors (4696365173).

45512042251 is a wasteful number, since it uses less digits than its factorization.

45512042251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85388501.

The product of its (nonzero) digits is 16000, while the sum is 31.

The spelling of 45512042251 in words is "forty-five billion, five hundred twelve million, forty-two thousand, two hundred fifty-one".