45255051 has 24 divisors (see below), whose sum is σ = 69470960. Its totient is φ = 29115072.

The previous prime is 45255047. The next prime is 45255061. The reversal of 45255051 is 15055254.

It is not a de Polignac number, because 45255051 - 2² = 45255047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45255011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21711 + ... + 23703.

Almost surely, 2^45255051 is an apocalyptic number.

45255051 is a deficient number, since it is larger than the sum of its proper divisors (24215909).

45255051 is a wasteful number, since it uses less digits than its factorization.

45255051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 45255051 is about 6727.1874509337. The cubic root of 45255051 is about 356.3600568552.

The spelling of 45255051 in words is "forty-five million, two hundred fifty-five thousand, fifty-one".