1468240157 has 2 divisors, whose sum is σ = 1468240158. Its totient is φ = 1468240156.

The previous prime is 1468240133. The next prime is 1468240183. The reversal of 1468240157 is 7510428641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1245454681 + 222785476 = 35291^2 + 14926^2 .

It is a cyclic number.

It is not a de Polignac number, because 1468240157 - 2¹⁰ = 1468239133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1468240157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1468240127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734120078 + 734120079.

It is an arithmetic number, because the mean of its divisors is an integer number (734120079).

Almost surely, 2^1468240157 is an apocalyptic number.

It is an amenable number.

1468240157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468240157 is an equidigital number, since it uses as much as digits as its factorization.

1468240157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1468240157 is about 38317.6220165083. The cubic root of 1468240157 is about 1136.5774432057.

Adding to 1468240157 its reverse (7510428641), we get a palindrome (8978668798).

The spelling of 1468240157 in words is "one billion, four hundred sixty-eight million, two hundred forty thousand, one hundred fifty-seven".