45000391 has 8 divisors (see below), whose sum is σ = 45587360. Its totient is φ = 44416512.

The previous prime is 45000353. The next prime is 45000407. The reversal of 45000391 is 19300054.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45000391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45000311) 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, 44095 + ... + 45103.

It is an arithmetic number, because the mean of its divisors is an integer number (5698420).

Almost surely, 2^45000391 is an apocalyptic number.

45000391 is a deficient number, since it is larger than the sum of its proper divisors (586969).

45000391 is a wasteful number, since it uses less digits than its factorization.

45000391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 45000391 is about 6708.2330758554. The cubic root of 45000391 is about 355.6903606277.

The spelling of 45000391 in words is "forty-five million, three hundred ninety-one", and thus it is an aban number.