45381148 has 24 divisors (see below), whose sum is σ = 83381760. Its totient is φ = 21582960.

The previous prime is 45381131. The next prime is 45381157. The reversal of 45381148 is 84118354.

45381148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 4215 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (3474240).

Almost surely, 2^45381148 is an apocalyptic number.

It is an amenable number.

45381148 is a deficient number, since it is larger than the sum of its proper divisors (38000612).

45381148 is a wasteful number, since it uses less digits than its factorization.

45381148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6297 (or 6295 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 45381148 is about 6736.5531245586. The cubic root of 45381148 is about 356.6907327440.

The spelling of 45381148 in words is "forty-five million, three hundred eighty-one thousand, one hundred forty-eight".