30234157 has 2 divisors, whose sum is σ = 30234158. Its totient is φ = 30234156.

The previous prime is 30234133. The next prime is 30234163. The reversal of 30234157 is 75143203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15634116 + 14600041 = 3954^2 + 3821^2 .

It is a cyclic number.

It is not a de Polignac number, because 30234157 - 2¹¹ = 30232109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30234257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15117078 + 15117079.

It is an arithmetic number, because the mean of its divisors is an integer number (15117079).

Almost surely, 2^30234157 is an apocalyptic number.

It is an amenable number.

30234157 is a deficient number, since it is larger than the sum of its proper divisors (1).

30234157 is an equidigital number, since it uses as much as digits as its factorization.

30234157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 30234157 is about 5498.5595386428. The cubic root of 30234157 is about 311.5295788509.

The spelling of 30234157 in words is "thirty million, two hundred thirty-four thousand, one hundred fifty-seven".