94638157 has 2 divisors, whose sum is σ = 94638158. Its totient is φ = 94638156.

The previous prime is 94638113. The next prime is 94638161. The reversal of 94638157 is 75183649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91795561 + 2842596 = 9581^2 + 1686^2 .

It is a cyclic number.

It is not a de Polignac number, because 94638157 - 2¹¹ = 94636109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94638197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47319078 + 47319079.

It is an arithmetic number, because the mean of its divisors is an integer number (47319079).

Almost surely, 2^94638157 is an apocalyptic number.

It is an amenable number.

94638157 is a deficient number, since it is larger than the sum of its proper divisors (1).

94638157 is an equidigital number, since it uses as much as digits as its factorization.

94638157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 94638157 is about 9728.2144815994. The cubic root of 94638157 is about 455.7102091371.

The spelling of 94638157 in words is "ninety-four million, six hundred thirty-eight thousand, one hundred fifty-seven".