45033651 has 20 divisors (see below), whose sum is σ = 72448992. Its totient is φ = 27712368.

The previous prime is 45033649. The next prime is 45033671. The reversal of 45033651 is 15633054.

45033651 is a `hidden beast` number, since 4 + 5 + 0 + 3 + 3 + 651 = 666.

It is not a de Polignac number, because 45033651 - 2¹ = 45033649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45033601) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20331 + ... + 22436.

Almost surely, 2^45033651 is an apocalyptic number.

45033651 is a deficient number, since it is larger than the sum of its proper divisors (27415341).

45033651 is a wasteful number, since it uses less digits than its factorization.

45033651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42792 (or 42783 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 45033651 is about 6710.7116612175. The cubic root of 45033651 is about 355.7779698516. Note that the first 3 decimals are identical.

The spelling of 45033651 in words is "forty-five million, thirty-three thousand, six hundred fifty-one".