45087715 has 4 divisors (see below), whose sum is σ = 54105264. Its totient is φ = 36070168.

The previous prime is 45087641. The next prime is 45087727. The reversal of 45087715 is 51778054.

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 45087715 - 2¹⁹ = 44563427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4508767 + ... + 4508776.

It is an arithmetic number, because the mean of its divisors is an integer number (13526316).

Almost surely, 2^45087715 is an apocalyptic number.

45087715 is a deficient number, since it is larger than the sum of its proper divisors (9017549).

45087715 is an equidigital number, since it uses as much as digits as its factorization.

45087715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017548.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 45087715 is about 6714.7386397387. The cubic root of 45087715 is about 355.9202863016.

The spelling of 45087715 in words is "forty-five million, eighty-seven thousand, seven hundred fifteen".