144127457551531 has 2 divisors, whose sum is σ = 144127457551532. Its totient is φ = 144127457551530.

The previous prime is 144127457551507. The next prime is 144127457551549. The reversal of 144127457551531 is 135155754721441.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (135155754721441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144127457551531 - 2⁵ = 144127457551499 is a prime.

It is a super-2 number, since 2×144127457551531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144127457552531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72063728775765 + 72063728775766.

It is an arithmetic number, because the mean of its divisors is an integer number (72063728775766).

Almost surely, 2^{144127457551531} is an apocalyptic number.

144127457551531 is a deficient number, since it is larger than the sum of its proper divisors (1).

144127457551531 is an equidigital number, since it uses as much as digits as its factorization.

144127457551531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760000, while the sum is 55.

The spelling of 144127457551531 in words is "one hundred forty-four trillion, one hundred twenty-seven billion, four hundred fifty-seven million, five hundred fifty-one thousand, five hundred thirty-one".