45375630 has 64 divisors (see below), whose sum is σ = 113799168. Its totient is φ = 11566080.

The previous prime is 45375623. The next prime is 45375709. The reversal of 45375630 is 3657354.

It is a junction number, because it is equal to n+sod(n) for n = 45375591 and 45375600.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 89959 + ... + 90461.

It is an arithmetic number, because the mean of its divisors is an integer number (1778112).

Almost surely, 2^45375630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45375630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56899584).

45375630 is an abundant number, since it is smaller than the sum of its proper divisors (68423538).

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

45375630 is a wasteful number, since it uses less digits than its factorization.

45375630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 45375630 is about 6736.1435554774. The cubic root of 45375630 is about 356.6762752043.

The spelling of 45375630 in words is "forty-five million, three hundred seventy-five thousand, six hundred thirty".