144407996749 has 4 divisors (see below), whose sum is σ = 146775341020. Its totient is φ = 142040652480.

The previous prime is 144407996723. The next prime is 144407996773. The reversal of 144407996749 is 947699704441.

144407996749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 69376926025 + 75031070724 = 263395^2 + 273918^2 .

It is a cyclic number.

It is not a de Polignac number, because 144407996749 - 2⁹ = 144407996237 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 (144407996149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1183672044 + ... + 1183672165.

It is an arithmetic number, because the mean of its divisors is an integer number (36693835255).

Almost surely, 2^144407996749 is an apocalyptic number.

It is an amenable number.

144407996749 is a deficient number, since it is larger than the sum of its proper divisors (2367344271).

144407996749 is an equidigital number, since it uses as much as digits as its factorization.

144407996749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367344270.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 144407996749 in words is "one hundred forty-four billion, four hundred seven million, nine hundred ninety-six thousand, seven hundred forty-nine".