9429157 has 2 divisors, whose sum is σ = 9429158. Its totient is φ = 9429156.

The previous prime is 9429143. The next prime is 9429163. The reversal of 9429157 is 7519249.

9429157 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., 9247681 + 181476 = 3041^2 + 426^2 .

It is a cyclic number.

It is not a de Polignac number, because 9429157 - 2⁷ = 9429029 is a prime.

It is a Chen prime.

9429157 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9429127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714578 + 4714579.

It is an arithmetic number, because the mean of its divisors is an integer number (4714579).

Almost surely, 2^9429157 is an apocalyptic number.

It is an amenable number.

9429157 is a deficient number, since it is larger than the sum of its proper divisors (1).

9429157 is an equidigital number, since it uses as much as digits as its factorization.

9429157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 9429157 is about 3070.6932442040. The cubic root of 9429157 is about 211.2634117274.

The spelling of 9429157 in words is "nine million, four hundred twenty-nine thousand, one hundred fifty-seven".