45030628 has 36 divisors (see below), whose sum is σ = 83413876. Its totient is φ = 21254400.

The previous prime is 45030611. The next prime is 45030647. The reversal of 45030628 is 82603054.

It can be written as a sum of positive squares in 6 ways, for example, as 17656804 + 27373824 = 4202^2 + 5232^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45030596 and 45030605.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248698 + ... + 248878.

Almost surely, 2^45030628 is an apocalyptic number.

It is an amenable number.

45030628 is a deficient number, since it is larger than the sum of its proper divisors (38383248).

45030628 is a wasteful number, since it uses less digits than its factorization.

45030628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 45030628 is about 6710.4864205212. The cubic root of 45030628 is about 355.7700088354.

The spelling of 45030628 in words is "forty-five million, thirty thousand, six hundred twenty-eight".