45315051 has 4 divisors (see below), whose sum is σ = 60420072. Its totient is φ = 30210032.

The previous prime is 45315007. The next prime is 45315059. The reversal of 45315051 is 15051354.

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 45315051 - 2²² = 41120747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45315059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7552506 + ... + 7552511.

It is an arithmetic number, because the mean of its divisors is an integer number (15105018).

Almost surely, 2^45315051 is an apocalyptic number.

45315051 is a deficient number, since it is larger than the sum of its proper divisors (15105021).

45315051 is a wasteful number, since it uses less digits than its factorization.

45315051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15105020.

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

The square root of 45315051 is about 6731.6454897744. The cubic root of 45315051 is about 356.5174769333.

The spelling of 45315051 in words is "forty-five million, three hundred fifteen thousand, fifty-one".