45149112 has 24 divisors (see below), whose sum is σ = 122279040. Its totient is φ = 15049680.

The previous prime is 45149087. The next prime is 45149119. The reversal of 45149112 is 21194154.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45149119) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313464 + ... + 313607.

It is an arithmetic number, because the mean of its divisors is an integer number (5094960).

Almost surely, 2^45149112 is an apocalyptic number.

It is an amenable number.

45149112 is an abundant number, since it is smaller than the sum of its proper divisors (77129928).

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

45149112 is a wasteful number, since it uses less digits than its factorization.

45149112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627083 (or 627076 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 45149112 is about 6719.3088930336. The cubic root of 45149112 is about 356.0817680291.

The spelling of 45149112 in words is "forty-five million, one hundred forty-nine thousand, one hundred twelve".