45181563 has 32 divisors (see below), whose sum is σ = 76746240. Its totient is φ = 23016960.

The previous prime is 45181561. The next prime is 45181567. The reversal of 45181563 is 36518154.

It is not a de Polignac number, because 45181563 - 2¹ = 45181561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45181561) 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, 3453 + ... + 10113.

It is an arithmetic number, because the mean of its divisors is an integer number (2398320).

Almost surely, 2^45181563 is an apocalyptic number.

45181563 is a deficient number, since it is larger than the sum of its proper divisors (31564677).

45181563 is a wasteful number, since it uses less digits than its factorization.

45181563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707.

The product of its digits is 14400, while the sum is 33.

The square root of 45181563 is about 6721.7232165569. The cubic root of 45181563 is about 356.1670590540.

The spelling of 45181563 in words is "forty-five million, one hundred eighty-one thousand, five hundred sixty-three".