45577251 has 6 divisors (see below), whose sum is σ = 65833820. Its totient is φ = 30384828.

The previous prime is 45577249. The next prime is 45577261. The reversal of 45577251 is 15277554.

It is not a de Polignac number, because 45577251 - 2¹ = 45577249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45577201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2532061 + ... + 2532078.

Almost surely, 2^45577251 is an apocalyptic number.

45577251 is a deficient number, since it is larger than the sum of its proper divisors (20256569).

45577251 is a wasteful number, since it uses less digits than its factorization.

45577251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064145 (or 5064142 counting only the distinct ones).

The product of its digits is 49000, while the sum is 36.

The square root of 45577251 is about 6751.0925782424. The cubic root of 45577251 is about 357.2037769832.

The spelling of 45577251 in words is "forty-five million, five hundred seventy-seven thousand, two hundred fifty-one".