45643995 has 24 divisors (see below), whose sum is σ = 79279200. Its totient is φ = 24293376.

The previous prime is 45643987. The next prime is 45644009. The reversal of 45643995 is 59934654.

It is not a de Polignac number, because 45643995 - 2³ = 45643987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 45643995.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33946 + ... + 35264.

It is an arithmetic number, because the mean of its divisors is an integer number (3303300).

Almost surely, 2^45643995 is an apocalyptic number.

45643995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45643995 is a deficient number, since it is larger than the sum of its proper divisors (33635205).

45643995 is a wasteful number, since it uses less digits than its factorization.

45643995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099 (or 2096 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 45643995 is about 6756.0339697192. The cubic root of 45643995 is about 357.3780567684.

The spelling of 45643995 in words is "forty-five million, six hundred forty-three thousand, nine hundred ninety-five".