45021373 has 8 divisors (see below), whose sum is σ = 47351808. Its totient is φ = 42722064.

The previous prime is 45021367. The next prime is 45021391. The reversal of 45021373 is 37312054.

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-45021373 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 (45021323) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4786 + ... + 10627.

It is an arithmetic number, because the mean of its divisors is an integer number (5918976).

Almost surely, 2^45021373 is an apocalyptic number.

It is an amenable number.

45021373 is a deficient number, since it is larger than the sum of its proper divisors (2330435).

45021373 is a wasteful number, since it uses less digits than its factorization.

45021373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15563.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 45021373 is about 6709.7967927501. The cubic root of 45021373 is about 355.7456337439.

The spelling of 45021373 in words is "forty-five million, twenty-one thousand, three hundred seventy-three".