144261260461 has 16 divisors (see below), whose sum is σ = 152835379200. Its totient is φ = 135786062448.

The previous prime is 144261260459. The next prime is 144261260513. The reversal of 144261260461 is 164062162441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144261260461 - 2¹ = 144261260459 is a prime.

It is a super-2 number, since 2×144261260461² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144261260461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144261261461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7551720 + ... + 7570798.

It is an arithmetic number, because the mean of its divisors is an integer number (9552211200).

Almost surely, 2^144261260461 is an apocalyptic number.

It is an amenable number.

144261260461 is a deficient number, since it is larger than the sum of its proper divisors (8574118739).

144261260461 is a wasteful number, since it uses less digits than its factorization.

144261260461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21648.

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 144261260461 in words is "one hundred forty-four billion, two hundred sixty-one million, two hundred sixty thousand, four hundred sixty-one".