45840148 has 12 divisors (see below), whose sum is σ = 80759700. Its totient is φ = 22765952.

The previous prime is 45840139. The next prime is 45840167. The reversal of 45840148 is 84104854.

It can be written as a sum of positive squares in 2 ways, for example, as 16224784 + 29615364 = 4028^2 + 5442^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37861 + ... + 39052.

It is an arithmetic number, because the mean of its divisors is an integer number (6729975).

Almost surely, 2^45840148 is an apocalyptic number.

It is an amenable number.

45840148 is a deficient number, since it is larger than the sum of its proper divisors (34919552).

45840148 is a wasteful number, since it uses less digits than its factorization.

45840148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77066 (or 77064 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 45840148 is about 6770.5352816450. The cubic root of 45840148 is about 357.8892638376.

The spelling of 45840148 in words is "forty-five million, eight hundred forty thousand, one hundred forty-eight".