45447215 has 8 divisors (see below), whose sum is σ = 59494608. Its totient is φ = 33052480.

The previous prime is 45447203. The next prime is 45447217. The reversal of 45447215 is 51274454.

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

It is not a de Polignac number, because 45447215 - 2⁶ = 45447151 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 (45447217) 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, 413102 + ... + 413211.

It is an arithmetic number, because the mean of its divisors is an integer number (7436826).

Almost surely, 2^45447215 is an apocalyptic number.

45447215 is a deficient number, since it is larger than the sum of its proper divisors (14047393).

45447215 is a wasteful number, since it uses less digits than its factorization.

45447215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826329.

The product of its digits is 22400, while the sum is 32.

The square root of 45447215 is about 6741.4549616533. The cubic root of 45447215 is about 356.8637418838.

The spelling of 45447215 in words is "forty-five million, four hundred forty-seven thousand, two hundred fifteen".