45505651 has 12 divisors (see below), whose sum is σ = 48849840. Its totient is φ = 42377600.

The previous prime is 45505637. The next prime is 45505679. The reversal of 45505651 is 15650554.

It is not a de Polignac number, because 45505651 - 2⁵ = 45505619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45505631) 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, 28410 + ... + 29968.

It is an arithmetic number, because the mean of its divisors is an integer number (4070820).

Almost surely, 2^45505651 is an apocalyptic number.

45505651 is a deficient number, since it is larger than the sum of its proper divisors (3344189).

45505651 is a wasteful number, since it uses less digits than its factorization.

45505651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 45505651 is about 6745.7876485997. The cubic root of 45505651 is about 357.0166280993.

It can be divided in two parts, 4550 and 5651, that added together give a palindrome (10201).

The spelling of 45505651 in words is "forty-five million, five hundred five thousand, six hundred fifty-one".