144898136231 has 2 divisors, whose sum is σ = 144898136232. Its totient is φ = 144898136230.

The previous prime is 144898136147. The next prime is 144898136239. The reversal of 144898136231 is 132631898441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144898136231 is a prime.

It is a super-2 number, since 2×144898136231² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144898136231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144898136239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72449068115 + 72449068116.

It is an arithmetic number, because the mean of its divisors is an integer number (72449068116).

Almost surely, 2^144898136231 is an apocalyptic number.

144898136231 is a deficient number, since it is larger than the sum of its proper divisors (1).

144898136231 is an equidigital number, since it uses as much as digits as its factorization.

144898136231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 50.

The spelling of 144898136231 in words is "one hundred forty-four billion, eight hundred ninety-eight million, one hundred thirty-six thousand, two hundred thirty-one".