45394923 has 12 divisors (see below), whose sum is σ = 70408680. Its totient is φ = 25939872.

The previous prime is 45394897. The next prime is 45394961. The reversal of 45394923 is 32949354.

It is not a de Polignac number, because 45394923 - 2⁵ = 45394891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45394123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154258 + ... + 154551.

It is an arithmetic number, because the mean of its divisors is an integer number (5867390).

Almost surely, 2^45394923 is an apocalyptic number.

45394923 is a deficient number, since it is larger than the sum of its proper divisors (25013757).

45394923 is a wasteful number, since it uses less digits than its factorization.

45394923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308826 (or 308819 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 45394923 is about 6737.5754541229. The cubic root of 45394923 is about 356.7268190779.

The spelling of 45394923 in words is "forty-five million, three hundred ninety-four thousand, nine hundred twenty-three".