745233187 has 2 divisors, whose sum is σ = 745233188. Its totient is φ = 745233186.

The previous prime is 745233163. The next prime is 745233191. The reversal of 745233187 is 781332547.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (781332547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745233187 - 2²⁷ = 611015459 is a prime.

It is not a weakly prime, because it can be changed into another prime (745293187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372616593 + 372616594.

It is an arithmetic number, because the mean of its divisors is an integer number (372616594).

Almost surely, 2^745233187 is an apocalyptic number.

745233187 is a deficient number, since it is larger than the sum of its proper divisors (1).

745233187 is an equidigital number, since it uses as much as digits as its factorization.

745233187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 745233187 is about 27298.9594490340. The cubic root of 745233187 is about 906.6313430737.

The spelling of 745233187 in words is "seven hundred forty-five million, two hundred thirty-three thousand, one hundred eighty-seven".