45545915 has 4 divisors (see below), whose sum is σ = 54655104. Its totient is φ = 36436728.

The previous prime is 45545909. The next prime is 45545939. The reversal of 45545915 is 51954554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45545915 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4554587 + ... + 4554596.

It is an arithmetic number, because the mean of its divisors is an integer number (13663776).

Almost surely, 2^45545915 is an apocalyptic number.

45545915 is a deficient number, since it is larger than the sum of its proper divisors (9109189).

45545915 is an equidigital number, since it uses as much as digits as its factorization.

45545915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109188.

The product of its digits is 90000, while the sum is 38.

The square root of 45545915 is about 6748.7713696643. The cubic root of 45545915 is about 357.1218947315.

The spelling of 45545915 in words is "forty-five million, five hundred forty-five thousand, nine hundred fifteen".