145579 has 6 divisors (see below), whose sum is σ = 169404. Its totient is φ = 124740.

The previous prime is 145577. The next prime is 145589. The reversal of 145579 is 975541.

145579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145579 - 2¹ = 145577 is a prime.

It is an Ulam number.

It is a Duffinian number.

145579 is a lucky number.

It is a plaindrome in base 10 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 145579.

It is not an unprimeable number, because it can be changed into a prime (145577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1437 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (28234).

2¹⁴⁵⁵⁷⁹ is an apocalyptic number.

145579 is a deficient number, since it is larger than the sum of its proper divisors (23825).

145579 is an equidigital number, since it uses as much as digits as its factorization.

145579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985 (or 2978 counting only the distinct ones).

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

The square root of 145579 is about 381.5481620975. The cubic root of 145579 is about 52.6057129217.

The spelling of 145579 in words is "one hundred forty-five thousand, five hundred seventy-nine".