144455251869031 has 2 divisors, whose sum is σ = 144455251869032. Its totient is φ = 144455251869030.

The previous prime is 144455251869029. The next prime is 144455251869037. The reversal of 144455251869031 is 130968152554441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144455251869031 - 2¹ = 144455251869029 is a prime.

It is a super-2 number, since 2×144455251869031² (a number of 29 digits) contains 22 as substring.

Together with 144455251869029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144455251869037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72227625934515 + 72227625934516.

It is an arithmetic number, because the mean of its divisors is an integer number (72227625934516).

Almost surely, 2^{144455251869031} is an apocalyptic number.

144455251869031 is a deficient number, since it is larger than the sum of its proper divisors (1).

144455251869031 is an equidigital number, since it uses as much as digits as its factorization.

144455251869031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736000, while the sum is 58.

The spelling of 144455251869031 in words is "one hundred forty-four trillion, four hundred fifty-five billion, two hundred fifty-one million, eight hundred sixty-nine thousand, thirty-one".