1045173158 has 16 divisors (see below), whose sum is σ = 1661005440. Its totient is φ = 491542656.

The previous prime is 1045173131. The next prime is 1045173161. The reversal of 1045173158 is 8513715401.

1045173158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52235 + ... + 69417.

It is an arithmetic number, because the mean of its divisors is an integer number (103812840).

Almost surely, 2^1045173158 is an apocalyptic number.

1045173158 is a deficient number, since it is larger than the sum of its proper divisors (615832282).

1045173158 is a wasteful number, since it uses less digits than its factorization.

1045173158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18991.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1045173158 is about 32329.1379099412. The cubic root of 1045173158 is about 1014.8365087281.

Adding to 1045173158 its reverse (8513715401), we get a palindrome (9558888559).

The spelling of 1045173158 in words is "one billion, forty-five million, one hundred seventy-three thousand, one hundred fifty-eight".