1145473563 has 32 divisors (see below), whose sum is σ = 1670296320. Its totient is φ = 694062720.

The previous prime is 1145473547. The next prime is 1145473573. The reversal of 1145473563 is 3653745411.

It is not a de Polignac number, because 1145473563 - 2⁴ = 1145473547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1145473573) 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, 709345 + ... + 710957.

It is an arithmetic number, because the mean of its divisors is an integer number (52196760).

Almost surely, 2^1145473563 is an apocalyptic number.

1145473563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1145473563 is a deficient number, since it is larger than the sum of its proper divisors (524822757).

1145473563 is a wasteful number, since it uses less digits than its factorization.

1145473563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899.

The product of its digits is 151200, while the sum is 39.

The square root of 1145473563 is about 33844.8454421054. The cubic root of 1145473563 is about 1046.3131658242.

The spelling of 1145473563 in words is "one billion, one hundred forty-five million, four hundred seventy-three thousand, five hundred sixty-three".