45458942 has 4 divisors (see below), whose sum is σ = 68188416. Its totient is φ = 22729470.

The previous prime is 45458939. The next prime is 45458951. The reversal of 45458942 is 24985454.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45458942.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11364734 + ... + 11364737.

It is an arithmetic number, because the mean of its divisors is an integer number (17047104).

Almost surely, 2^45458942 is an apocalyptic number.

45458942 is a deficient number, since it is larger than the sum of its proper divisors (22729474).

45458942 is a wasteful number, since it uses less digits than its factorization.

45458942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22729473.

The product of its digits is 230400, while the sum is 41.

The square root of 45458942 is about 6742.3246732859. The cubic root of 45458942 is about 356.8944337623.

The spelling of 45458942 in words is "forty-five million, four hundred fifty-eight thousand, nine hundred forty-two".