45149148 has 36 divisors (see below), whose sum is σ = 124503288. Its totient is φ = 13681440.

The previous prime is 45149141. The next prime is 45149173. The reversal of 45149148 is 84194154.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45149141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56611 + ... + 57402.

Almost surely, 2^45149148 is an apocalyptic number.

It is an amenable number.

45149148 is an abundant number, since it is smaller than the sum of its proper divisors (79354140).

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

45149148 is a wasteful number, since it uses less digits than its factorization.

45149148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114034 (or 114029 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 45149148 is about 6719.3115718800. The cubic root of 45149148 is about 356.0818626706.

The spelling of 45149148 in words is "forty-five million, one hundred forty-nine thousand, one hundred forty-eight".