14221331440157 has 2 divisors, whose sum is σ = 14221331440158. Its totient is φ = 14221331440156.

The previous prime is 14221331440103. The next prime is 14221331440177. The reversal of 14221331440157 is 75104413312241.

14221331440157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7139952740761 + 7081378699396 = 2672069^2 + 2661086^2 .

It is a cyclic number.

It is not a de Polignac number, because 14221331440157 - 2⁴² = 9823284929053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14221331440157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14221331440177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110665720078 + 7110665720079.

It is an arithmetic number, because the mean of its divisors is an integer number (7110665720079).

Almost surely, 2^{14221331440157} is an apocalyptic number.

It is an amenable number.

14221331440157 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221331440157 is an equidigital number, since it uses as much as digits as its factorization.

14221331440157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

Adding to 14221331440157 its reverse (75104413312241), we get a palindrome (89325744752398).

The spelling of 14221331440157 in words is "fourteen trillion, two hundred twenty-one billion, three hundred thirty-one million, four hundred forty thousand, one hundred fifty-seven".