45442923 has 8 divisors (see below), whose sum is σ = 60685968. Its totient is φ = 30247584.

The previous prime is 45442907. The next prime is 45442939. The reversal of 45442923 is 32924454.

It is an interprime number because it is at equal distance from previous prime (45442907) and next prime (45442939).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45442923 - 2⁴ = 45442907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45442973) 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, 9640 + ... + 13557.

It is an arithmetic number, because the mean of its divisors is an integer number (7585746).

Almost surely, 2^45442923 is an apocalyptic number.

45442923 is a deficient number, since it is larger than the sum of its proper divisors (15243045).

45442923 is a wasteful number, since it uses less digits than its factorization.

45442923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23853.

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

The square root of 45442923 is about 6741.1366252287. The cubic root of 45442923 is about 356.8525075511.

The spelling of 45442923 in words is "forty-five million, four hundred forty-two thousand, nine hundred twenty-three".