144975 has 12 divisors (see below), whose sum is σ = 239816. Its totient is φ = 77280.

The previous prime is 144973. The next prime is 144983. The reversal of 144975 is 579441.

It is a happy number.

It is not a de Polignac number, because 144975 - 2¹ = 144973 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 (144973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892 + ... + 1041.

2¹⁴⁴⁹⁷⁵ is an apocalyptic number.

144975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144975 is a deficient number, since it is larger than the sum of its proper divisors (94841).

144975 is a wasteful number, since it uses less digits than its factorization.

144975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1941 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 144975 is about 380.7558272699. The cubic root of 144975 is about 52.5328592480.

The spelling of 144975 in words is "one hundred forty-four thousand, nine hundred seventy-five".