144232901 has 2 divisors, whose sum is σ = 144232902. Its totient is φ = 144232900.

The previous prime is 144232877. The next prime is 144232903. The reversal of 144232901 is 109232441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121660900 + 22572001 = 11030^2 + 4751^2 .

It is an emirp because it is prime and its reverse (109232441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144232901 - 2²² = 140038597 is a prime.

Together with 144232903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144232903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72116450 + 72116451.

It is an arithmetic number, because the mean of its divisors is an integer number (72116451).

Almost surely, 2^144232901 is an apocalyptic number.

It is an amenable number.

144232901 is a deficient number, since it is larger than the sum of its proper divisors (1).

144232901 is an equidigital number, since it uses as much as digits as its factorization.

144232901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 144232901 is about 12009.7002876841. The cubic root of 144232901 is about 524.4307068606.

It can be divided in two parts, 1442 and 32901, that added together give a palindrome (34343).

The spelling of 144232901 in words is "one hundred forty-four million, two hundred thirty-two thousand, nine hundred one".