144040131 has 6 divisors (see below), whose sum is σ = 208057980. Its totient is φ = 96026748.

The previous prime is 144040073. The next prime is 144040163. The reversal of 144040131 is 131040441.

It is not a de Polignac number, because 144040131 - 2¹⁵ = 144007363 is a prime.

It is a super-2 number, since 2×144040131² = 41495118676994322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144040331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8002221 + ... + 8002238.

It is an arithmetic number, because the mean of its divisors is an integer number (34676330).

Almost surely, 2^144040131 is an apocalyptic number.

144040131 is a deficient number, since it is larger than the sum of its proper divisors (64017849).

144040131 is a wasteful number, since it uses less digits than its factorization.

144040131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004465 (or 16004462 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144040131 is about 12001.6720085161. The cubic root of 144040131 is about 524.1969655104.

Adding to 144040131 its reverse (131040441), we get a palindrome (275080572).

The spelling of 144040131 in words is "one hundred forty-four million, forty thousand, one hundred thirty-one".