144231413 has 24 divisors (see below), whose sum is σ = 164592000. Its totient is φ = 125981856.

The previous prime is 144231403. The next prime is 144231421. The reversal of 144231413 is 314132441.

It is not a de Polignac number, because 144231413 - 2¹⁶ = 144165877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144231403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240488 + ... + 241086.

It is an arithmetic number, because the mean of its divisors is an integer number (6858000).

Almost surely, 2^144231413 is an apocalyptic number.

It is an amenable number.

144231413 is a deficient number, since it is larger than the sum of its proper divisors (20360587).

144231413 is a wasteful number, since it uses less digits than its factorization.

144231413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 670 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 144231413 is about 12009.6383376020. The cubic root of 144231413 is about 524.4289033988.

Adding to 144231413 its reverse (314132441), we get a palindrome (458363854).

The spelling of 144231413 in words is "one hundred forty-four million, two hundred thirty-one thousand, four hundred thirteen".