144615 has 16 divisors (see below), whose sum is σ = 239616. Its totient is φ = 74400.

The previous prime is 144611. The next prime is 144629. The reversal of 144615 is 516441.

144615 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 144615 - 2² = 144611 is a prime.

144615 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 144591 and 144600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310 + ... + 620.

It is an arithmetic number, because the mean of its divisors is an integer number (14976).

2¹⁴⁴⁶¹⁵ is an apocalyptic number.

144615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144615 is a deficient number, since it is larger than the sum of its proper divisors (95001).

144615 is a wasteful number, since it uses less digits than its factorization.

144615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350.

The product of its digits is 480, while the sum is 21.

The square root of 144615 is about 380.2827895133. The cubic root of 144615 is about 52.4893402394.

The spelling of 144615 in words is "one hundred forty-four thousand, six hundred fifteen".