157238183 has 2 divisors, whose sum is σ = 157238184. Its totient is φ = 157238182.

The previous prime is 157238173. The next prime is 157238209. The reversal of 157238183 is 381832751.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (381832751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157238183 - 2⁶ = 157238119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157238153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78619091 + 78619092.

It is an arithmetic number, because the mean of its divisors is an integer number (78619092).

Almost surely, 2^157238183 is an apocalyptic number.

157238183 is a deficient number, since it is larger than the sum of its proper divisors (1).

157238183 is an equidigital number, since it uses as much as digits as its factorization.

157238183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 157238183 is about 12539.4650204863. The cubic root of 157238183 is about 539.7417409315.

The spelling of 157238183 in words is "one hundred fifty-seven million, two hundred thirty-eight thousand, one hundred eighty-three".