144312999 has 12 divisors (see below), whose sum is σ = 203079096. Its totient is φ = 91144368.

The previous prime is 144312979. The next prime is 144313003. The reversal of 144312999 is 999213441.

It is not a de Polignac number, because 144312999 - 2¹¹ = 144310951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144312999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144312919) 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, 65544 + ... + 67709.

It is an arithmetic number, because the mean of its divisors is an integer number (16923258).

Almost surely, 2^144312999 is an apocalyptic number.

144312999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144312999 is a deficient number, since it is larger than the sum of its proper divisors (58766097).

144312999 is a wasteful number, since it uses less digits than its factorization.

144312999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133294 (or 133275 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 144312999 is about 12013.0345458589. The cubic root of 144312999 is about 524.5277676492.

The spelling of 144312999 in words is "one hundred forty-four million, three hundred twelve thousand, nine hundred ninety-nine".