144899411837 has 4 divisors (see below), whose sum is σ = 145463223036. Its totient is φ = 144335600640.

The previous prime is 144899411759. The next prime is 144899411843. The reversal of 144899411837 is 738114998441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 738114998441 = 54401 ⋅13568041.

It can be written as a sum of positive squares in 2 ways, for example, as 117631164676 + 27268247161 = 342974^2 + 165131^2 .

It is a cyclic number.

It is not a de Polignac number, because 144899411837 - 2¹⁴ = 144899395453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144899417837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281905214 + ... + 281905727.

It is an arithmetic number, because the mean of its divisors is an integer number (36365805759).

Almost surely, 2^144899411837 is an apocalyptic number.

It is an amenable number.

144899411837 is a deficient number, since it is larger than the sum of its proper divisors (563811199).

144899411837 is an equidigital number, since it uses as much as digits as its factorization.

144899411837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563811198.

The product of its digits is 6967296, while the sum is 59.

The spelling of 144899411837 in words is "one hundred forty-four billion, eight hundred ninety-nine million, four hundred eleven thousand, eight hundred thirty-seven".