144801246889 has 16 divisors (see below), whose sum is σ = 160057351440. Its totient is φ = 130146186240.

The previous prime is 144801246803. The next prime is 144801246899. The reversal of 144801246889 is 988642108441.

It can be written as a sum of positive squares in 8 ways, for example, as 34869213289 + 109932033600 = 186733^2 + 331560^2 .

It is a cyclic number.

It is not a de Polignac number, because 144801246889 - 2⁹ = 144801246377 is a prime.

It is a super-2 number, since 2×144801246889² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144801246899) 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, 4429 + ... + 538165.

It is an arithmetic number, because the mean of its divisors is an integer number (10003584465).

Almost surely, 2^144801246889 is an apocalyptic number.

It is an amenable number.

144801246889 is a deficient number, since it is larger than the sum of its proper divisors (15256104551).

144801246889 is a wasteful number, since it uses less digits than its factorization.

144801246889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534300.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 144801246889 in words is "one hundred forty-four billion, eight hundred one million, two hundred forty-six thousand, eight hundred eighty-nine".