45073138 has 8 divisors (see below), whose sum is σ = 73756080. Its totient is φ = 20487780.

The previous prime is 45073129. The next prime is 45073139. The reversal of 45073138 is 83137054.

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

It is not an unprimeable number, because it can be changed into a prime (45073139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024368 + ... + 1024411.

It is an arithmetic number, because the mean of its divisors is an integer number (9219510).

Almost surely, 2^45073138 is an apocalyptic number.

45073138 is a deficient number, since it is larger than the sum of its proper divisors (28682942).

45073138 is a wasteful number, since it uses less digits than its factorization.

45073138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048792.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 45073138 is about 6713.6531039368. The cubic root of 45073138 is about 355.8819254514.

The spelling of 45073138 in words is "forty-five million, seventy-three thousand, one hundred thirty-eight".