144352131 has 32 divisors (see below), whose sum is σ = 242331648. Its totient is φ = 74247840.

The previous prime is 144352123. The next prime is 144352249. The reversal of 144352131 is 131253441.

It is a happy number.

It is not a de Polignac number, because 144352131 - 2³ = 144352123 is a prime.

It is a super-2 number, since 2×144352131² = 41675075448482322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144352031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20760 + ... + 26826.

It is an arithmetic number, because the mean of its divisors is an integer number (7572864).

Almost surely, 2^144352131 is an apocalyptic number.

144352131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144352131 is a deficient number, since it is larger than the sum of its proper divisors (97979517).

144352131 is a wasteful number, since it uses less digits than its factorization.

144352131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191.

The product of its digits is 1440, while the sum is 24.

The square root of 144352131 is about 12014.6631663147. The cubic root of 144352131 is about 524.5751737867.

The spelling of 144352131 in words is "one hundred forty-four million, three hundred fifty-two thousand, one hundred thirty-one".