45651506 has 4 divisors (see below), whose sum is σ = 68477262. Its totient is φ = 22825752.

The previous prime is 45651479. The next prime is 45651521. The reversal of 45651506 is 60515654.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60515654 = 2 ⋅30257827.

It can be written as a sum of positive squares in only one way, i.e., 37761025 + 7890481 = 6145^2 + 2809^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11412875 + ... + 11412878.

Almost surely, 2^45651506 is an apocalyptic number.

45651506 is a deficient number, since it is larger than the sum of its proper divisors (22825756).

45651506 is a wasteful number, since it uses less digits than its factorization.

45651506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22825755.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 45651506 is about 6756.5898203162. The cubic root of 45651506 is about 357.3976586121.

The spelling of 45651506 in words is "forty-five million, six hundred fifty-one thousand, five hundred six".