45045051 has 4 divisors (see below), whose sum is σ = 60060072. Its totient is φ = 30030032.

The previous prime is 45045041. The next prime is 45045073. The reversal of 45045051 is 15054054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45045051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45045001) 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, 7507506 + ... + 7507511.

It is an arithmetic number, because the mean of its divisors is an integer number (15015018).

Almost surely, 2^45045051 is an apocalyptic number.

45045051 is a deficient number, since it is larger than the sum of its proper divisors (15015021).

45045051 is a wasteful number, since it uses less digits than its factorization.

45045051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15015020.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 45045051 is about 6711.5609957744. The cubic root of 45045051 is about 355.8079883420.

The spelling of 45045051 in words is "forty-five million, forty-five thousand, fifty-one".