45447371 has 4 divisors (see below), whose sum is σ = 45555744. Its totient is φ = 45339000.

The previous prime is 45447361. The next prime is 45447377. The reversal of 45447371 is 17374454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17374454 = 2 ⋅8687227.

It is a cyclic number.

It is not a de Polignac number, because 45447371 - 2¹⁸ = 45185227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45447377) 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, 53555 + ... + 54396.

It is an arithmetic number, because the mean of its divisors is an integer number (11388936).

Almost surely, 2^45447371 is an apocalyptic number.

45447371 is a deficient number, since it is larger than the sum of its proper divisors (108373).

45447371 is a wasteful number, since it uses less digits than its factorization.

45447371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108372.

The product of its digits is 47040, while the sum is 35.

The square root of 45447371 is about 6741.4665318460. The cubic root of 45447371 is about 356.8641502013.

The spelling of 45447371 in words is "forty-five million, four hundred forty-seven thousand, three hundred seventy-one".