45501651 has 12 divisors (see below), whose sum is σ = 70780528. Its totient is φ = 28000944.

The previous prime is 45501649. The next prime is 45501653. The reversal of 45501651 is 15610554.

It is a happy number.

45501651 is a `hidden beast` number, since 4 + 5 + 5 + 0 + 1 + 651 = 666.

It is an interprime number because it is at equal distance from previous prime (45501649) and next prime (45501653).

It is not a de Polignac number, because 45501651 - 2¹ = 45501649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45501653) 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, 194335 + ... + 194568.

Almost surely, 2^45501651 is an apocalyptic number.

45501651 is a deficient number, since it is larger than the sum of its proper divisors (25278877).

45501651 is a wasteful number, since it uses less digits than its factorization.

45501651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388922 (or 388919 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 45501651 is about 6745.4911607681. The cubic root of 45501651 is about 357.0061670662.

The spelling of 45501651 in words is "forty-five million, five hundred one thousand, six hundred fifty-one".