144131787 has 12 divisors (see below), whose sum is σ = 210826720. Its totient is φ = 94871088.

The previous prime is 144131759. The next prime is 144131843. The reversal of 144131787 is 787131441.

144131787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144131787 - 2⁸ = 144131531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144131987) 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, 100648 + ... + 102069.

Almost surely, 2^144131787 is an apocalyptic number.

144131787 is a deficient number, since it is larger than the sum of its proper divisors (66694933).

144131787 is a wasteful number, since it uses less digits than its factorization.

144131787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202802 (or 202799 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 144131787 is about 12005.4898692223. The cubic root of 144131787 is about 524.3081280720.

The spelling of 144131787 in words is "one hundred forty-four million, one hundred thirty-one thousand, seven hundred eighty-seven".