791145 has 12 divisors (see below), whose sum is σ = 1371396. Its totient is φ = 421920.

The previous prime is 791137. The next prime is 791159. The reversal of 791145 is 541197.

791145 = 158² + 159² + ... + 184².

It can be written as a sum of positive squares in 2 ways, for example, as 242064 + 549081 = 492^2 + 741^2 .

It is not a de Polignac number, because 791145 - 2³ = 791137 is a prime.

It is a super-2 number, since 2×791145² = 1251820822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8746 + ... + 8835.

It is an arithmetic number, because the mean of its divisors is an integer number (114283).

2⁷⁹¹¹⁴⁵ is an apocalyptic number.

It is an amenable number.

791145 is a deficient number, since it is larger than the sum of its proper divisors (580251).

791145 is a wasteful number, since it uses less digits than its factorization.

791145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17592 (or 17589 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 791145 is about 889.4633213348. The cubic root of 791145 is about 92.4879945461.

The spelling of 791145 in words is "seven hundred ninety-one thousand, one hundred forty-five".