45225888 has 48 divisors (see below), whose sum is σ = 120679776. Its totient is φ = 14826240.

The previous prime is 45225857. The next prime is 45225893. The reversal of 45225888 is 88852254.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (2514162).

Almost surely, 2^45225888 is an apocalyptic number.

45225888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45225888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60339888).

45225888 is an abundant number, since it is smaller than the sum of its proper divisors (75453888).

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

45225888 is a wasteful number, since it uses less digits than its factorization.

45225888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797 (or 7789 counting only the distinct ones).

The product of its digits is 204800, while the sum is 42.

The square root of 45225888 is about 6725.0195538749. The cubic root of 45225888 is about 356.2834925729.

The spelling of 45225888 in words is "forty-five million, two hundred twenty-five thousand, eight hundred eighty-eight".