145791 has 12 divisors (see below), whose sum is σ = 214032. Its totient is φ = 95616.

The previous prime is 145777. The next prime is 145799. The reversal of 145791 is 197541.

It is not a de Polignac number, because 145791 - 2⁵ = 145759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 790 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (17836).

2¹⁴⁵⁷⁹¹ is an apocalyptic number.

145791 is a deficient number, since it is larger than the sum of its proper divisors (68241).

145791 is a wasteful number, since it uses less digits than its factorization.

145791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 267 counting only the distinct ones).

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

The square root of 145791 is about 381.8258765458. The cubic root of 145791 is about 52.6312362960.

The spelling of 145791 in words is "one hundred forty-five thousand, seven hundred ninety-one".