45415851 has 16 divisors (see below), whose sum is σ = 65533440. Its totient is φ = 27810720.

The previous prime is 45415849. The next prime is 45415889. The reversal of 45415851 is 15851454.

It is not a de Polignac number, because 45415851 - 2¹ = 45415849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45415801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5470 + ... + 10988.

It is an arithmetic number, because the mean of its divisors is an integer number (4095840).

Almost surely, 2^45415851 is an apocalyptic number.

45415851 is a deficient number, since it is larger than the sum of its proper divisors (20117589).

45415851 is a wasteful number, since it uses less digits than its factorization.

45415851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746.

The product of its digits is 16000, while the sum is 33.

The square root of 45415851 is about 6739.1283561007. The cubic root of 45415851 is about 356.7816301406.

The spelling of 45415851 in words is "forty-five million, four hundred fifteen thousand, eight hundred fifty-one".