45319863 has 8 divisors (see below), whose sum is σ = 60481008. Its totient is φ = 30185984.

The previous prime is 45319849. The next prime is 45319871. The reversal of 45319863 is 36891354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45319863 - 2¹⁷ = 45188791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45319163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2556 + ... + 9857.

It is an arithmetic number, because the mean of its divisors is an integer number (7560126).

Almost surely, 2^45319863 is an apocalyptic number.

45319863 is a deficient number, since it is larger than the sum of its proper divisors (15161145).

45319863 is a wasteful number, since it uses less digits than its factorization.

45319863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633.

The product of its digits is 77760, while the sum is 39.

The square root of 45319863 is about 6732.0028966126. The cubic root of 45319863 is about 356.5300960031.

Subtracting from 45319863 its sum of digits (39), we obtain a square (45319824 = 6732²).

The spelling of 45319863 in words is "forty-five million, three hundred nineteen thousand, eight hundred sixty-three".