45643630 has 8 divisors (see below), whose sum is σ = 82158552. Its totient is φ = 18257448.

The previous prime is 45643573. The next prime is 45643649. The reversal of 45643630 is 3634654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 45643592 and 45643601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282172 + ... + 2282191.

It is an arithmetic number, because the mean of its divisors is an integer number (10269819).

Almost surely, 2^45643630 is an apocalyptic number.

45643630 is a deficient number, since it is larger than the sum of its proper divisors (36514922).

45643630 is a wasteful number, since it uses less digits than its factorization.

45643630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564370.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 45643630 is about 6756.0069567756. The cubic root of 45643630 is about 357.3771041543.

The spelling of 45643630 in words is "forty-five million, six hundred forty-three thousand, six hundred thirty".