1145703163 has 16 divisors (see below), whose sum is σ = 1308483072. Its totient is φ = 992992000.

The previous prime is 1145703157. The next prime is 1145703179. The reversal of 1145703163 is 3613075411.

It is not a de Polignac number, because 1145703163 - 2¹⁷ = 1145572091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145703103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71403 + ... + 85963.

It is an arithmetic number, because the mean of its divisors is an integer number (81780192).

Almost surely, 2^1145703163 is an apocalyptic number.

1145703163 is a deficient number, since it is larger than the sum of its proper divisors (162779909).

1145703163 is a wasteful number, since it uses less digits than its factorization.

1145703163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14906.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1145703163 is about 33848.2372214566. The cubic root of 1145703163 is about 1046.3830692137.

Adding to 1145703163 its reverse (3613075411), we get a palindrome (4758778574).

The spelling of 1145703163 in words is "one billion, one hundred forty-five million, seven hundred three thousand, one hundred sixty-three".