99000157 has 2 divisors, whose sum is σ = 99000158. Its totient is φ = 99000156.

The previous prime is 99000151. The next prime is 99000217. The reversal of 99000157 is 75100099.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91661476 + 7338681 = 9574^2 + 2709^2 .

It is a cyclic number.

It is not a de Polignac number, because 99000157 - 2⁷ = 99000029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99000151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49500078 + 49500079.

It is an arithmetic number, because the mean of its divisors is an integer number (49500079).

Almost surely, 2^99000157 is an apocalyptic number.

It is an amenable number.

99000157 is a deficient number, since it is larger than the sum of its proper divisors (1).

99000157 is an equidigital number, since it uses as much as digits as its factorization.

99000157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 99000157 is about 9949.8822606099. The cubic root of 99000157 is about 462.6067454610.

The spelling of 99000157 in words is "ninety-nine million, one hundred fifty-seven", and thus it is an aban number.