45103428 has 18 divisors (see below), whose sum is σ = 114011534. Its totient is φ = 15034464.

The previous prime is 45103427. The next prime is 45103447. The reversal of 45103428 is 82430154.

It can be written as a sum of positive squares in only one way, i.e., 44916804 + 186624 = 6702^2 + 432^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (45103423) 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, 626401 + ... + 626472.

Almost surely, 2^45103428 is an apocalyptic number.

It is an amenable number.

45103428 is an abundant number, since it is smaller than the sum of its proper divisors (68908106).

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

45103428 is a wasteful number, since it uses less digits than its factorization.

45103428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252883 (or 1252878 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 45103428 is about 6715.9085759114. The cubic root of 45103428 is about 355.9616273920.

The spelling of 45103428 in words is "forty-five million, one hundred three thousand, four hundred twenty-eight".