144130837 has 4 divisors (see below), whose sum is σ = 144234540. Its totient is φ = 144027136.

The previous prime is 144130823. The next prime is 144130849. The reversal of 144130837 is 738031441.

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 7918596 + 136212241 = 2814^2 + 11671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144130837 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144130799 and 144130808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144130897) 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, 49738 + ... + 52555.

It is an arithmetic number, because the mean of its divisors is an integer number (36058635).

Almost surely, 2^144130837 is an apocalyptic number.

It is an amenable number.

144130837 is a deficient number, since it is larger than the sum of its proper divisors (103703).

144130837 is a wasteful number, since it uses less digits than its factorization.

144130837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103702.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 144130837 is about 12005.4503039245. The cubic root of 144130837 is about 524.3069761313.

The spelling of 144130837 in words is "one hundred forty-four million, one hundred thirty thousand, eight hundred thirty-seven".