145797 has 8 divisors (see below), whose sum is σ = 202944. Its totient is φ = 92928.

The previous prime is 145777. The next prime is 145799. The reversal of 145797 is 797541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145797 - 2¹⁰ = 144773 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 7 ways as a sum of consecutive naturals, for example, 988 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (25368).

2¹⁴⁵⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

145797 is a deficient number, since it is larger than the sum of its proper divisors (57147).

145797 is a wasteful number, since it uses less digits than its factorization.

145797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139.

The product of its digits is 8820, while the sum is 33.

The square root of 145797 is about 381.8337334495. The cubic root of 145797 is about 52.6319582955.

The spelling of 145797 in words is "one hundred forty-five thousand, seven hundred ninety-seven".