45206280 has 96 divisors (see below), whose sum is σ = 167918400. Its totient is φ = 10332288.

The previous prime is 45206269. The next prime is 45206299. The reversal of 45206280 is 8260254.

45206280 is a `hidden beast` number, since 4 + 520 + 62 + 80 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6450 + ... + 11489.

It is an arithmetic number, because the mean of its divisors is an integer number (1749150).

Almost surely, 2^45206280 is an apocalyptic number.

45206280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45206280 is an abundant number, since it is smaller than the sum of its proper divisors (122712120).

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

45206280 is a wasteful number, since it uses less digits than its factorization.

45206280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17963 (or 17956 counting only the distinct ones).

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

The square root of 45206280 is about 6723.5615561992. The cubic root of 45206280 is about 356.2319953966.

The spelling of 45206280 in words is "forty-five million, two hundred six thousand, two hundred eighty".