45623563 has 6 divisors (see below), whose sum is σ = 48465476. Its totient is φ = 42939552.

The previous prime is 45623561. The next prime is 45623569. The reversal of 45623563 is 36532654.

It is not a de Polignac number, because 45623563 - 2¹ = 45623561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45623561) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 78645 + ... + 79222.

Almost surely, 2^45623563 is an apocalyptic number.

45623563 is a deficient number, since it is larger than the sum of its proper divisors (2841913).

45623563 is a wasteful number, since it uses less digits than its factorization.

45623563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157901 (or 157884 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 45623563 is about 6754.5216707033. The cubic root of 45623563 is about 357.3247234419.

Subtracting from 45623563 its reverse (36532654), we obtain a palindrome (9090909).

The spelling of 45623563 in words is "forty-five million, six hundred twenty-three thousand, five hundred sixty-three".