144959 has 4 divisors (see below), whose sum is σ = 153504. Its totient is φ = 136416.

The previous prime is 144941. The next prime is 144961. The reversal of 144959 is 959441.

144959 = T₁₂₂ + T₁₂₃ + ... + T₁₃₈.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144959 - 2¹² = 140863 is a prime.

It is a super-2 number, since 2×144959² = 42026223362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144959.

It is not an unprimeable number, because it can be changed into a prime (144259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4247 + ... + 4280.

It is an arithmetic number, because the mean of its divisors is an integer number (38376).

2¹⁴⁴⁹⁵⁹ is an apocalyptic number.

144959 is a deficient number, since it is larger than the sum of its proper divisors (8545).

144959 is an equidigital number, since it uses as much as digits as its factorization.

144959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544.

The product of its digits is 6480, while the sum is 32.

The square root of 144959 is about 380.7348158496. The cubic root of 144959 is about 52.5309266006.

Adding to 144959 its sum of digits (32), we get a triangular number (144991 = T₅₃₈).

It can be divided in two parts, 1449 and 59, that multiplied together give a triangular number (85491 = T₄₁₃).

The spelling of 144959 in words is "one hundred forty-four thousand, nine hundred fifty-nine".