45284040 has 48 divisors (see below), whose sum is σ = 147174300. Its totient is φ = 12075648.

The previous prime is 45283991. The next prime is 45284059. The reversal of 45284040 is 4048254.

It can be written as a sum of positive squares in 2 ways, for example, as 44916804 + 367236 = 6702^2 + 606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45283995 and 45284013.

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, 62535 + ... + 63254.

Almost surely, 2^45284040 is an apocalyptic number.

45284040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45284040 is an abundant number, since it is smaller than the sum of its proper divisors (101890260).

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

45284040 is a wasteful number, since it uses less digits than its factorization.

45284040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125806 (or 125799 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 45284040 is about 6729.3417211493. The cubic root of 45284040 is about 356.4361317274.

The spelling of 45284040 in words is "forty-five million, two hundred eighty-four thousand, forty".