145979 has 8 divisors (see below), whose sum is σ = 160128. Its totient is φ = 132480.

The previous prime is 145969. The next prime is 145987. The reversal of 145979 is 979541.

145979 is nontrivially palindromic in base 7.

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

It is a cyclic number.

It is not a de Polignac number, because 145979 - 2⁴ = 145963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145949) 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, 389 + ... + 665.

It is an arithmetic number, because the mean of its divisors is an integer number (20016).

2¹⁴⁵⁹⁷⁹ is an apocalyptic number.

145979 is a deficient number, since it is larger than the sum of its proper divisors (14149).

145979 is a wasteful number, since it uses less digits than its factorization.

145979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its digits is 11340, while the sum is 35.

The square root of 145979 is about 382.0719827467. The cubic root of 145979 is about 52.6538495400.

The spelling of 145979 in words is "one hundred forty-five thousand, nine hundred seventy-nine".