144331099 has 12 divisors (see below), whose sum is σ = 158998840. Its totient is φ = 130917600.

The previous prime is 144331097. The next prime is 144331129. The reversal of 144331099 is 990133441.

It is not a de Polignac number, because 144331099 - 2¹ = 144331097 is a prime.

It is a super-2 number, since 2×144331099² = 41662932277095602, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144331097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68047 + ... + 70135.

Almost surely, 2^144331099 is an apocalyptic number.

144331099 is a deficient number, since it is larger than the sum of its proper divisors (14667741).

144331099 is a wasteful number, since it uses less digits than its factorization.

144331099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682 (or 2671 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 144331099 is about 12013.7878706093. The cubic root of 144331099 is about 524.5496958095.

The spelling of 144331099 in words is "one hundred forty-four million, three hundred thirty-one thousand, ninety-nine".