9045387157 has 2 divisors, whose sum is σ = 9045387158. Its totient is φ = 9045387156.

The previous prime is 9045387139. The next prime is 9045387191. The reversal of 9045387157 is 7517835409.

It is a happy number.

9045387157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8988746481 + 56640676 = 94809^2 + 7526^2 .

It is a cyclic number.

It is not a de Polignac number, because 9045387157 - 2²³ = 9036998549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9045387157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9045387457) 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, 4522693578 + 4522693579.

It is an arithmetic number, because the mean of its divisors is an integer number (4522693579).

Almost surely, 2^9045387157 is an apocalyptic number.

It is an amenable number.

9045387157 is a deficient number, since it is larger than the sum of its proper divisors (1).

9045387157 is an equidigital number, since it uses as much as digits as its factorization.

9045387157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The square root of 9045387157 is about 95107.2402974663. The cubic root of 9045387157 is about 2083.5745946060.

The spelling of 9045387157 in words is "nine billion, forty-five million, three hundred eighty-seven thousand, one hundred fifty-seven".