45388148 has 48 divisors (see below), whose sum is σ = 89317200. Its totient is φ = 20044800.

The previous prime is 45388139. The next prime is 45388157. The reversal of 45388148 is 84188354.

It is an interprime number because it is at equal distance from previous prime (45388139) and next prime (45388157).

It can be written as a sum of positive squares in 8 ways, for example, as 16957924 + 28430224 = 4118^2 + 5332^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129878 + ... + 130226.

It is an arithmetic number, because the mean of its divisors is an integer number (1860775).

Almost surely, 2^45388148 is an apocalyptic number.

It is an amenable number.

45388148 is a deficient number, since it is larger than the sum of its proper divisors (43929052).

45388148 is a wasteful number, since it uses less digits than its factorization.

45388148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 466 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 45388148 is about 6737.0726580615. The cubic root of 45388148 is about 356.7090715394.

The spelling of 45388148 in words is "forty-five million, three hundred eighty-eight thousand, one hundred forty-eight".