45422493 has 16 divisors (see below), whose sum is σ = 63563136. Its totient is φ = 28797120.

The previous prime is 45422459. The next prime is 45422513. The reversal of 45422493 is 39422454.

It is a de Polignac number, because none of the positive numbers 2^k-45422493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45422413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10671 + ... + 14307.

It is an arithmetic number, because the mean of its divisors is an integer number (3972696).

Almost surely, 2^45422493 is an apocalyptic number.

It is an amenable number.

45422493 is a deficient number, since it is larger than the sum of its proper divisors (18140643).

45422493 is a wasteful number, since it uses less digits than its factorization.

45422493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844.

The product of its digits is 34560, while the sum is 33.

The square root of 45422493 is about 6739.6211317848. The cubic root of 45422493 is about 356.7990222186.

The spelling of 45422493 in words is "forty-five million, four hundred twenty-two thousand, four hundred ninety-three".