144554256131 has 4 divisors (see below), whose sum is σ = 144622092264. Its totient is φ = 144486420000.

The previous prime is 144554256127. The next prime is 144554256149. The reversal of 144554256131 is 131652455441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131652455441 = 13 ⋅10127111957.

It is a cyclic number.

It is not a de Polignac number, because 144554256131 - 2² = 144554256127 is a prime.

It is a super-2 number, since 2×144554256131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144554256191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33914870 + ... + 33919131.

It is an arithmetic number, because the mean of its divisors is an integer number (36155523066).

Almost surely, 2^144554256131 is an apocalyptic number.

144554256131 is a deficient number, since it is larger than the sum of its proper divisors (67836133).

144554256131 is an equidigital number, since it uses as much as digits as its factorization.

144554256131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67836132.

The product of its digits is 288000, while the sum is 41.

The spelling of 144554256131 in words is "one hundred forty-four billion, five hundred fifty-four million, two hundred fifty-six thousand, one hundred thirty-one".