45528144 has 40 divisors (see below), whose sum is σ = 121673760. Its totient is φ = 14652288.

The previous prime is 45528139. The next prime is 45528149. The reversal of 45528144 is 44182554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45528139) and next prime (45528149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45528149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14962 + ... + 17745.

It is an arithmetic number, because the mean of its divisors is an integer number (3041844).

Almost surely, 2^45528144 is an apocalyptic number.

It is an amenable number.

45528144 is an abundant number, since it is smaller than the sum of its proper divisors (76145616).

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

45528144 is a wasteful number, since it uses less digits than its factorization.

45528144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32747 (or 32741 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 45528144 is about 6747.4546311924. The cubic root of 45528144 is about 357.0754416905.

The spelling of 45528144 in words is "forty-five million, five hundred twenty-eight thousand, one hundred forty-four".