157952203 has 2 divisors, whose sum is σ = 157952204. Its totient is φ = 157952202.

The previous prime is 157952177. The next prime is 157952231. The reversal of 157952203 is 302259751.

It is a weak prime.

It is an emirp because it is prime and its reverse (302259751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157952203 is a prime.

It is not a weakly prime, because it can be changed into another prime (157952273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78976101 + 78976102.

It is an arithmetic number, because the mean of its divisors is an integer number (78976102).

Almost surely, 2^157952203 is an apocalyptic number.

157952203 is a deficient number, since it is larger than the sum of its proper divisors (1).

157952203 is an equidigital number, since it uses as much as digits as its factorization.

157952203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 157952203 is about 12567.9036835902. The cubic root of 157952203 is about 540.5574980842.

The spelling of 157952203 in words is "one hundred fifty-seven million, nine hundred fifty-two thousand, two hundred three".