144025431 has 16 divisors (see below), whose sum is σ = 213045120. Its totient is φ = 85807520.

The previous prime is 144025429. The next prime is 144025451. The reversal of 144025431 is 134520441.

It is a cyclic number.

It is not a de Polignac number, because 144025431 - 2¹ = 144025429 is a prime.

It is a super-2 number, since 2×144025431² = 41486649549471522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144025451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35040 + ... + 38933.

It is an arithmetic number, because the mean of its divisors is an integer number (13315320).

Almost surely, 2^144025431 is an apocalyptic number.

144025431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144025431 is a deficient number, since it is larger than the sum of its proper divisors (69019689).

144025431 is a wasteful number, since it uses less digits than its factorization.

144025431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74046.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 144025431 is about 12001.0595782206. The cubic root of 144025431 is about 524.1791326155.

Adding to 144025431 its reverse (134520441), we get a palindrome (278545872).

The spelling of 144025431 in words is "one hundred forty-four million, twenty-five thousand, four hundred thirty-one".