45234428 has 24 divisors (see below), whose sum is σ = 81401040. Its totient is φ = 21985920.

The previous prime is 45234401. The next prime is 45234451. The reversal of 45234428 is 82443254.

It is a junction number, because it is equal to n+sod(n) for n = 45234394 and 45234403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20675 + ... + 22757.

It is an arithmetic number, because the mean of its divisors is an integer number (3391710).

Almost surely, 2^45234428 is an apocalyptic number.

It is an amenable number.

45234428 is a deficient number, since it is larger than the sum of its proper divisors (36166612).

45234428 is a wasteful number, since it uses less digits than its factorization.

45234428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237 (or 2235 counting only the distinct ones).

The product of its digits is 30720, while the sum is 32.

The square root of 45234428 is about 6725.6544662955. The cubic root of 45234428 is about 356.3059168205.

The spelling of 45234428 in words is "forty-five million, two hundred thirty-four thousand, four hundred twenty-eight".