157400203 has 2 divisors, whose sum is σ = 157400204. Its totient is φ = 157400202.

The previous prime is 157400179. The next prime is 157400207. The reversal of 157400203 is 302004751.

157400203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157400203 is a prime.

It is not a weakly prime, because it can be changed into another prime (157400207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78700101 + 78700102.

It is an arithmetic number, because the mean of its divisors is an integer number (78700102).

Almost surely, 2^157400203 is an apocalyptic number.

157400203 is a deficient number, since it is larger than the sum of its proper divisors (1).

157400203 is an equidigital number, since it uses as much as digits as its factorization.

157400203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 157400203 is about 12545.9237603295. The cubic root of 157400203 is about 539.9270626226.

Adding to 157400203 its reverse (302004751), we get a palindrome (459404954).

The spelling of 157400203 in words is "one hundred fifty-seven million, four hundred thousand, two hundred three".