45422643 has 32 divisors (see below), whose sum is σ = 72493056. Its totient is φ = 24755328.

The previous prime is 45422639. The next prime is 45422653. The reversal of 45422643 is 34622454.

It is not a de Polignac number, because 45422643 - 2² = 45422639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45422643.

It is not an unprimeable number, because it can be changed into a prime (45422653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40630 + ... + 41732.

It is an arithmetic number, because the mean of its divisors is an integer number (2265408).

Almost surely, 2^45422643 is an apocalyptic number.

45422643 is a deficient number, since it is larger than the sum of its proper divisors (27070413).

45422643 is a wasteful number, since it uses less digits than its factorization.

45422643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203.

The product of its digits is 23040, while the sum is 30.

The square root of 45422643 is about 6739.6322599976. The cubic root of 45422643 is about 356.7994149740.

The spelling of 45422643 in words is "forty-five million, four hundred twenty-two thousand, six hundred forty-three".