45533815 has 4 divisors (see below), whose sum is σ = 54640584. Its totient is φ = 36427048.

The previous prime is 45533809. The next prime is 45533819. The reversal of 45533815 is 51833554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45533815 - 2²¹ = 43436663 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 (45533819) 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, 4553377 + ... + 4553386.

It is an arithmetic number, because the mean of its divisors is an integer number (13660146).

Almost surely, 2^45533815 is an apocalyptic number.

45533815 is a deficient number, since it is larger than the sum of its proper divisors (9106769).

45533815 is an equidigital number, since it uses as much as digits as its factorization.

45533815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106768.

The product of its digits is 36000, while the sum is 34.

The square root of 45533815 is about 6747.8748506474. The cubic root of 45533815 is about 357.0902668849.

The spelling of 45533815 in words is "forty-five million, five hundred thirty-three thousand, eight hundred fifteen".