201433157 has 2 divisors, whose sum is σ = 201433158. Its totient is φ = 201433156.

The previous prime is 201433151. The next prime is 201433181. The reversal of 201433157 is 751334102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166693921 + 34739236 = 12911^2 + 5894^2 .

It is a cyclic number.

It is not a de Polignac number, because 201433157 - 2⁶ = 201433093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201433151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100716578 + 100716579.

It is an arithmetic number, because the mean of its divisors is an integer number (100716579).

Almost surely, 2^201433157 is an apocalyptic number.

It is an amenable number.

201433157 is a deficient number, since it is larger than the sum of its proper divisors (1).

201433157 is an equidigital number, since it uses as much as digits as its factorization.

201433157 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 26.

The square root of 201433157 is about 14192.7149270321. The cubic root of 201433157 is about 586.1970831620.

Adding to 201433157 its reverse (751334102), we get a palindrome (952767259).

The spelling of 201433157 in words is "two hundred one million, four hundred thirty-three thousand, one hundred fifty-seven".