1145162 has 4 divisors (see below), whose sum is σ = 1717746. Its totient is φ = 572580.

The previous prime is 1145143. The next prime is 1145173. The reversal of 1145162 is 2615411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1142761 + 2401 = 1069^2 + 49^2 .

It is a super-2 number, since 2×1145162² = 2622792012488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286289 + ... + 286292.

2^1145162 is an apocalyptic number.

1145162 is a deficient number, since it is larger than the sum of its proper divisors (572584).

1145162 is an equidigital number, since it uses as much as digits as its factorization.

1145162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572583.

The product of its digits is 240, while the sum is 20.

The square root of 1145162 is about 1070.1224229031. The cubic root of 1145162 is about 104.6218293264.

The spelling of 1145162 in words is "one million, one hundred forty-five thousand, one hundred sixty-two".