1145164 has 12 divisors (see below), whose sum is σ = 2034424. Its totient is φ = 563904.

The previous prime is 1145143. The next prime is 1145173. The reversal of 1145164 is 4615411.

It is a super-2 number, since 2×1145164² = 2622801173792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1869 + ... + 2404.

2^1145164 is an apocalyptic number.

It is an amenable number.

1145164 is a deficient number, since it is larger than the sum of its proper divisors (889260).

1145164 is a wasteful number, since it uses less digits than its factorization.

1145164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344 (or 4342 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1145164 is about 1070.1233573752. The cubic root of 1145164 is about 104.6218902329.

The spelling of 1145164 in words is "one million, one hundred forty-five thousand, one hundred sixty-four".