45148 has 6 divisors (see below), whose sum is σ = 79016. Its totient is φ = 22572.

The previous prime is 45139. The next prime is 45161. The reversal of 45148 is 84154.

It is a congruent number.

It is an unprimeable number.

45148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640 + ... + 5647.

2⁴⁵¹⁴⁸ is an apocalyptic number.

It is an amenable number.

45148 is a deficient number, since it is larger than the sum of its proper divisors (33868).

45148 is a wasteful number, since it uses less digits than its factorization.

45148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11291 (or 11289 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 45148 is about 212.4805873486. The cubic root of 45148 is about 35.6078844633.

The spelling of 45148 in words is "forty-five thousand, one hundred forty-eight".