144375 has 40 divisors (see below), whose sum is σ = 299904. Its totient is φ = 60000.

The previous prime is 144349. The next prime is 144379. The reversal of 144375 is 573441.

It is not a de Polignac number, because 144375 - 2⁶ = 144311 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144379) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13120 + ... + 13130.

144375 is a Friedman number, since it can be written as 7*5^4*(34-1), using all its digits and the basic arithmetic operations.

2¹⁴⁴³⁷⁵ is an apocalyptic number.

144375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144375 is an abundant number, since it is smaller than the sum of its proper divisors (155529).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144375 is an equidigital number, since it uses as much as digits as its factorization.

144375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41 (or 26 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 144375 is about 379.9671038393. The cubic root of 144375 is about 52.4602874281.

The spelling of 144375 in words is "one hundred forty-four thousand, three hundred seventy-five".