144359437 has 2 divisors, whose sum is σ = 144359438. Its totient is φ = 144359436.

The previous prime is 144359407. The next prime is 144359531. The reversal of 144359437 is 734953441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111112681 + 33246756 = 10541^2 + 5766^2 .

It is a cyclic number.

It is not a de Polignac number, because 144359437 - 2²³ = 135970829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144359437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144359407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72179718 + 72179719.

It is an arithmetic number, because the mean of its divisors is an integer number (72179719).

Almost surely, 2^144359437 is an apocalyptic number.

It is an amenable number.

144359437 is a deficient number, since it is larger than the sum of its proper divisors (1).

144359437 is an equidigital number, since it uses as much as digits as its factorization.

144359437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 144359437 is about 12014.9672076123. The cubic root of 144359437 is about 524.5840236308.

The spelling of 144359437 in words is "one hundred forty-four million, three hundred fifty-nine thousand, four hundred thirty-seven".