45646443 has 8 divisors (see below), whose sum is σ = 67624400. Its totient is φ = 30430944.

The previous prime is 45646429. The next prime is 45646453. The reversal of 45646443 is 34464654.

45646443 is a `hidden beast` number, since 4 + 5 + 6 + 4 + 644 + 3 = 666.

It is not a de Polignac number, because 45646443 - 2⁸ = 45646187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45646398 and 45646407.

It is not an unprimeable number, because it can be changed into a prime (45646453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845278 + ... + 845331.

It is an arithmetic number, because the mean of its divisors is an integer number (8453050).

Almost surely, 2^45646443 is an apocalyptic number.

45646443 is a deficient number, since it is larger than the sum of its proper divisors (21977957).

45646443 is a wasteful number, since it uses less digits than its factorization.

45646443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690618 (or 1690612 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 45646443 is about 6756.2151386705. The cubic root of 45646443 is about 357.3844456763.

The spelling of 45646443 in words is "forty-five million, six hundred forty-six thousand, four hundred forty-three".