45210051 has 12 divisors (see below), whose sum is σ = 65977912. Its totient is φ = 29828736.

The previous prime is 45210049. The next prime is 45210079. The reversal of 45210051 is 15001254.

It is not a de Polignac number, because 45210051 - 2¹ = 45210049 is a prime.

It is a super-4 number, since 4×45210051⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45210091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25021 + ... + 26766.

Almost surely, 2^45210051 is an apocalyptic number.

45210051 is a deficient number, since it is larger than the sum of its proper divisors (20767861).

45210051 is a wasteful number, since it uses less digits than its factorization.

45210051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51890 (or 51887 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 45210051 is about 6723.8419820814. The cubic root of 45210051 is about 356.2419004622.

The spelling of 45210051 in words is "forty-five million, two hundred ten thousand, fifty-one".