145957 has 8 divisors (see below), whose sum is σ = 172800. Its totient is φ = 120624.

The previous prime is 145949. The next prime is 145963. The reversal of 145957 is 759541.

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

It is not a de Polignac number, because 145957 - 2³ = 145949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145967) 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, 157 + ... + 562.

It is an arithmetic number, because the mean of its divisors is an integer number (21600).

2¹⁴⁵⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

145957 is a deficient number, since it is larger than the sum of its proper divisors (26843).

145957 is an equidigital number, since it uses as much as digits as its factorization.

145957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755.

The product of its digits is 6300, while the sum is 31.

The square root of 145957 is about 382.0431912755. The cubic root of 145957 is about 52.6512043127.

The spelling of 145957 in words is "one hundred forty-five thousand, nine hundred fifty-seven".