157633440233 has 2 divisors, whose sum is σ = 157633440234. Its totient is φ = 157633440232.

The previous prime is 157633440199. The next prime is 157633440247. The reversal of 157633440233 is 332044336751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87973339609 + 69660100624 = 296603^2 + 263932^2 .

It is a cyclic number.

It is not a de Polignac number, because 157633440233 - 2¹⁶ = 157633374697 is a prime.

It is not a weakly prime, because it can be changed into another prime (157633442233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78816720116 + 78816720117.

It is an arithmetic number, because the mean of its divisors is an integer number (78816720117).

Almost surely, 2^157633440233 is an apocalyptic number.

It is an amenable number.

157633440233 is a deficient number, since it is larger than the sum of its proper divisors (1).

157633440233 is an equidigital number, since it uses as much as digits as its factorization.

157633440233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 41.

Adding to 157633440233 its reverse (332044336751), we get a palindrome (489677776984).

The spelling of 157633440233 in words is "one hundred fifty-seven billion, six hundred thirty-three million, four hundred forty thousand, two hundred thirty-three".