45745438 has 8 divisors (see below), whose sum is σ = 68646960. Its totient is φ = 22863120.

The previous prime is 45745417. The next prime is 45745457. The reversal of 45745438 is 83454754.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45745438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6178 + ... + 11386.

It is an arithmetic number, because the mean of its divisors is an integer number (8580870).

Almost surely, 2^45745438 is an apocalyptic number.

45745438 is a deficient number, since it is larger than the sum of its proper divisors (22901522).

45745438 is a wasteful number, since it uses less digits than its factorization.

45745438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9602.

The product of its digits is 268800, while the sum is 40.

The square root of 45745438 is about 6763.5373880833. The cubic root of 45745438 is about 357.6426164162.

The spelling of 45745438 in words is "forty-five million, seven hundred forty-five thousand, four hundred thirty-eight".