45445288 has 16 divisors (see below), whose sum is σ = 97382880. Its totient is φ = 19476528.

The previous prime is 45445277. The next prime is 45445289. The reversal of 45445288 is 88254454.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45445288.

It is not an unprimeable number, because it can be changed into a prime (45445289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405706 + ... + 405817.

It is an arithmetic number, because the mean of its divisors is an integer number (6086430).

Almost surely, 2^45445288 is an apocalyptic number.

It is an amenable number.

45445288 is an abundant number, since it is smaller than the sum of its proper divisors (51937592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45445288 is a wasteful number, since it uses less digits than its factorization.

45445288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811536 (or 811532 counting only the distinct ones).

The product of its digits is 204800, while the sum is 40.

The square root of 45445288 is about 6741.3120384685. The cubic root of 45445288 is about 356.8586980386.

The spelling of 45445288 in words is "forty-five million, four hundred forty-five thousand, two hundred eighty-eight".