144432437 has 2 divisors, whose sum is σ = 144432438. Its totient is φ = 144432436.

The previous prime is 144432427. The next prime is 144432451. The reversal of 144432437 is 734234441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113507716 + 30924721 = 10654^2 + 5561^2 .

It is a cyclic number.

It is not a de Polignac number, because 144432437 - 2¹⁸ = 144170293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144432427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72216218 + 72216219.

It is an arithmetic number, because the mean of its divisors is an integer number (72216219).

Almost surely, 2^144432437 is an apocalyptic number.

It is an amenable number.

144432437 is a deficient number, since it is larger than the sum of its proper divisors (1).

144432437 is an equidigital number, since it uses as much as digits as its factorization.

144432437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 32.

The square root of 144432437 is about 12018.0047012805. The cubic root of 144432437 is about 524.6724330007.

Adding to 144432437 its reverse (734234441), we get a palindrome (878666878).

The spelling of 144432437 in words is "one hundred forty-four million, four hundred thirty-two thousand, four hundred thirty-seven".