144297437 has 2 divisors, whose sum is σ = 144297438. Its totient is φ = 144297436.

The previous prime is 144297407. The next prime is 144297443. The reversal of 144297437 is 734792441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132388036 + 11909401 = 11506^2 + 3451^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144297437 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 144297394 and 144297403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144297407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72148718 + 72148719.

It is an arithmetic number, because the mean of its divisors is an integer number (72148719).

Almost surely, 2^144297437 is an apocalyptic number.

It is an amenable number.

144297437 is a deficient number, since it is larger than the sum of its proper divisors (1).

144297437 is an equidigital number, since it uses as much as digits as its factorization.

144297437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 144297437 is about 12012.3868152836. The cubic root of 144297437 is about 524.5089128115.

The spelling of 144297437 in words is "one hundred forty-four million, two hundred ninety-seven thousand, four hundred thirty-seven".