45102144 has 28 divisors (see below), whose sum is σ = 119333264. Its totient is φ = 15033984.

The previous prime is 45102097. The next prime is 45102193. The reversal of 45102144 is 44120154.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45102144.

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, 117262 + ... + 117645.

Almost surely, 2^45102144 is an apocalyptic number.

It is an amenable number.

45102144 is an abundant number, since it is smaller than the sum of its proper divisors (74231120).

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

45102144 is a wasteful number, since it uses less digits than its factorization.

45102144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234922 (or 234912 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 45102144 is about 6715.8129813151. The cubic root of 45102144 is about 355.9582495330.

Adding to 45102144 its reverse (44120154), we get a palindrome (89222298).

The spelling of 45102144 in words is "forty-five million, one hundred two thousand, one hundred forty-four".