45440885 has 36 divisors (see below), whose sum is σ = 65883564. Its totient is φ = 29998080.

The previous prime is 45440873. The next prime is 45440891. The reversal of 45440885 is 58804454.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13608721 + 31832164 = 3689^2 + 5642^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45440885 is a prime.

It is a super-3 number, since 3×45440885³ (a number of 24 digits) contains 333 as substring.

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 (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 235349 + ... + 235541.

It is an arithmetic number, because the mean of its divisors is an integer number (1830099).

Almost surely, 2^45440885 is an apocalyptic number.

It is an amenable number.

45440885 is a deficient number, since it is larger than the sum of its proper divisors (20442679).

45440885 is a wasteful number, since it uses less digits than its factorization.

45440885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 45440885 is about 6740.9854620819. The cubic root of 45440885 is about 356.8471728277.

The spelling of 45440885 in words is "forty-five million, four hundred forty thousand, eight hundred eighty-five".