45651330 has 32 divisors (see below), whose sum is σ = 121737600. Its totient is φ = 12173616.

The previous prime is 45651323. The next prime is 45651349. The reversal of 45651330 is 3315654.

45651330 is a `hidden beast` number, since 4 + 5 + 651 + 3 + 3 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 45651294 and 45651303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84270 + ... + 84809.

It is an arithmetic number, because the mean of its divisors is an integer number (3804300).

Almost surely, 2^45651330 is an apocalyptic number.

45651330 is an abundant number, since it is smaller than the sum of its proper divisors (76086270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45651330 is a wasteful number, since it uses less digits than its factorization.

45651330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169095 (or 169089 counting only the distinct ones).

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

The square root of 45651330 is about 6756.5767959818. The cubic root of 45651330 is about 357.3971993204.

Adding to 45651330 its reverse (3315654), we get a palindrome (48966984).

The spelling of 45651330 in words is "forty-five million, six hundred fifty-one thousand, three hundred thirty".