144244499 has 4 divisors (see below), whose sum is σ = 164850864. Its totient is φ = 123638136.

The previous prime is 144244487. The next prime is 144244517. The reversal of 144244499 is 994442441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 994442441 = 79 ⋅12587879.

It is a cyclic number.

It is not a de Polignac number, because 144244499 - 2¹⁶ = 144178963 is a prime.

It is a super-2 number, since 2×144244499² = 41612950983522002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144244469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10303172 + ... + 10303185.

It is an arithmetic number, because the mean of its divisors is an integer number (41212716).

Almost surely, 2^144244499 is an apocalyptic number.

144244499 is a deficient number, since it is larger than the sum of its proper divisors (20606365).

144244499 is an equidigital number, since it uses as much as digits as its factorization.

144244499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20606364.

The product of its digits is 165888, while the sum is 41.

The square root of 144244499 is about 12010.1831376545. The cubic root of 144244499 is about 524.4447632566. Note that the first 3 decimals are identical.

The spelling of 144244499 in words is "one hundred forty-four million, two hundred forty-four thousand, four hundred ninety-nine".