45478563 has 32 divisors (see below), whose sum is σ = 68361216. Its totient is φ = 26707968.

The previous prime is 45478561. The next prime is 45478579. The reversal of 45478563 is 36587454.

It is not a de Polignac number, because 45478563 - 2¹ = 45478561 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (45478561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78531 + ... + 79107.

It is an arithmetic number, because the mean of its divisors is an integer number (2136288).

Almost surely, 2^45478563 is an apocalyptic number.

45478563 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

45478563 is a deficient number, since it is larger than the sum of its proper divisors (22882653).

45478563 is a wasteful number, since it uses less digits than its factorization.

45478563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its digits is 403200, while the sum is 42.

The square root of 45478563 is about 6743.7795782484. The cubic root of 45478563 is about 356.9457739983.

The spelling of 45478563 in words is "forty-five million, four hundred seventy-eight thousand, five hundred sixty-three".