1441173157 has 2 divisors, whose sum is σ = 1441173158. Its totient is φ = 1441173156.

The previous prime is 1441173127. The next prime is 1441173163. The reversal of 1441173157 is 7513711441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092566916 + 348606241 = 33054^2 + 18671^2 .

It is an emirp because it is prime and its reverse (7513711441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1441173157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441173127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720586578 + 720586579.

It is an arithmetic number, because the mean of its divisors is an integer number (720586579).

Almost surely, 2^1441173157 is an apocalyptic number.

It is an amenable number.

1441173157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441173157 is an equidigital number, since it uses as much as digits as its factorization.

1441173157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 34.

The square root of 1441173157 is about 37962.7864757054. The cubic root of 1441173157 is about 1129.5498133622.

Adding to 1441173157 its reverse (7513711441), we get a palindrome (8954884598).

The spelling of 1441173157 in words is "one billion, four hundred forty-one million, one hundred seventy-three thousand, one hundred fifty-seven".