45513051 has 4 divisors (see below), whose sum is σ = 60684072. Its totient is φ = 30342032.

The previous prime is 45513031. The next prime is 45513073. The reversal of 45513051 is 15031554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45513051 - 2⁵ = 45513019 is a prime.

It is a super-2 number, since 2×45513051² = 4142875622657202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45513001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7585506 + ... + 7585511.

It is an arithmetic number, because the mean of its divisors is an integer number (15171018).

Almost surely, 2^45513051 is an apocalyptic number.

45513051 is a deficient number, since it is larger than the sum of its proper divisors (15171021).

45513051 is a wasteful number, since it uses less digits than its factorization.

45513051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15171020.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 45513051 is about 6746.3361167377. The cubic root of 45513051 is about 357.0359793944.

The spelling of 45513051 in words is "forty-five million, five hundred thirteen thousand, fifty-one".