144130999 has 4 divisors (see below), whose sum is σ = 147197664. Its totient is φ = 141064336.

The previous prime is 144130993. The next prime is 144131023. The reversal of 144130999 is 999031441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999031441 = 149 ⋅6704909.

It is a cyclic number.

It is not a de Polignac number, because 144130999 - 2⁵ = 144130967 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144130993) 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, 1533262 + ... + 1533355.

It is an arithmetic number, because the mean of its divisors is an integer number (36799416).

Almost surely, 2^144130999 is an apocalyptic number.

144130999 is a deficient number, since it is larger than the sum of its proper divisors (3066665).

144130999 is an equidigital number, since it uses as much as digits as its factorization.

144130999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066664.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 144130999 is about 12005.4570508582. The cubic root of 144130999 is about 524.3071725679.

The spelling of 144130999 in words is "one hundred forty-four million, one hundred thirty thousand, nine hundred ninety-nine".