144260720441 has 4 divisors (see below), whose sum is σ = 144859312884. Its totient is φ = 143662128000.

The previous prime is 144260720413. The next prime is 144260720477. The reversal of 144260720441 is 144027062441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116756156416 + 27504564025 = 341696^2 + 165845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144260720441 is a prime.

It is a super-2 number, since 2×144260720441² (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 (144260720141) 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, 299295860 + ... + 299296341.

It is an arithmetic number, because the mean of its divisors is an integer number (36214828221).

Almost surely, 2^144260720441 is an apocalyptic number.

It is an amenable number.

144260720441 is a deficient number, since it is larger than the sum of its proper divisors (598592443).

144260720441 is an equidigital number, since it uses as much as digits as its factorization.

144260720441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598592442.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 144260720441 its reverse (144027062441), we get a palindrome (288287782882).

The spelling of 144260720441 in words is "one hundred forty-four billion, two hundred sixty million, seven hundred twenty thousand, four hundred forty-one".