45544642 has 48 divisors (see below), whose sum is σ = 83655936. Its totient is φ = 18453600.

The previous prime is 45544621. The next prime is 45544651. The reversal of 45544642 is 24644554.

It is a junction number, because it is equal to n+sod(n) for n = 45544598 and 45544607.

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, 97293 + ... + 97759.

It is an arithmetic number, because the mean of its divisors is an integer number (1742832).

Almost surely, 2^45544642 is an apocalyptic number.

45544642 is a deficient number, since it is larger than the sum of its proper divisors (38111294).

45544642 is a wasteful number, since it uses less digits than its factorization.

45544642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 524 counting only the distinct ones).

The product of its digits is 76800, while the sum is 34.

The square root of 45544642 is about 6748.6770555421. The cubic root of 45544642 is about 357.1185675367.

The spelling of 45544642 in words is "forty-five million, five hundred forty-four thousand, six hundred forty-two".