144214501 has 2 divisors, whose sum is σ = 144214502. Its totient is φ = 144214500.

The previous prime is 144214489. The next prime is 144214517. The reversal of 144214501 is 105412441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102921025 + 41293476 = 10145^2 + 6426^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144214501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144214591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72107250 + 72107251.

It is an arithmetic number, because the mean of its divisors is an integer number (72107251).

Almost surely, 2^144214501 is an apocalyptic number.

It is an amenable number.

144214501 is a deficient number, since it is larger than the sum of its proper divisors (1).

144214501 is an equidigital number, since it uses as much as digits as its factorization.

144214501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 144214501 is about 12008.9342158245. The cubic root of 144214501 is about 524.4084051174.

Adding to 144214501 its reverse (105412441), we get a palindrome (249626942).

The spelling of 144214501 in words is "one hundred forty-four million, two hundred fourteen thousand, five hundred one".