45515885 has 8 divisors (see below), whose sum is σ = 57832056. Its totient is φ = 34270720.

The previous prime is 45515867. The next prime is 45515903. The reversal of 45515885 is 58851554.

45515885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45515867) and next prime (45515903).

It can be written as a sum of positive squares in 4 ways, for example, as 3771364 + 41744521 = 1942^2 + 6461^2 .

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

It is not a de Polignac number, because 45515885 - 2²⁰ = 44467309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267656 + ... + 267825.

It is an arithmetic number, because the mean of its divisors is an integer number (7229007).

Almost surely, 2^45515885 is an apocalyptic number.

It is an amenable number.

45515885 is a deficient number, since it is larger than the sum of its proper divisors (12316171).

45515885 is a wasteful number, since it uses less digits than its factorization.

45515885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535503.

The product of its digits is 160000, while the sum is 41.

The square root of 45515885 is about 6746.5461534032. The cubic root of 45515885 is about 357.0433898620.

The spelling of 45515885 in words is "forty-five million, five hundred fifteen thousand, eight hundred eighty-five".