144425121881 has 2 divisors, whose sum is σ = 144425121882. Its totient is φ = 144425121880.

The previous prime is 144425121833. The next prime is 144425121899. The reversal of 144425121881 is 188121524441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84573945856 + 59851176025 = 290816^2 + 244645^2 .

It is a cyclic number.

It is not a de Polignac number, because 144425121881 - 2²⁶ = 144358013017 is a prime.

It is a super-2 number, since 2×144425121881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144425123881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72212560940 + 72212560941.

It is an arithmetic number, because the mean of its divisors is an integer number (72212560941).

Almost surely, 2^144425121881 is an apocalyptic number.

It is an amenable number.

144425121881 is a deficient number, since it is larger than the sum of its proper divisors (1).

144425121881 is an equidigital number, since it uses as much as digits as its factorization.

144425121881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81920, while the sum is 41.

The spelling of 144425121881 in words is "one hundred forty-four billion, four hundred twenty-five million, one hundred twenty-one thousand, eight hundred eighty-one".