745394203 has 2 divisors, whose sum is σ = 745394204. Its totient is φ = 745394202.

The previous prime is 745394159. The next prime is 745394231. The reversal of 745394203 is 302493547.

745394203 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-745394203 is a prime.

It is a super-2 number, since 2×745394203² = 1111225035732010418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (745394233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372697101 + 372697102.

It is an arithmetic number, because the mean of its divisors is an integer number (372697102).

Almost surely, 2^745394203 is an apocalyptic number.

745394203 is a deficient number, since it is larger than the sum of its proper divisors (1).

745394203 is an equidigital number, since it uses as much as digits as its factorization.

745394203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 745394203 is about 27301.9084131494. The cubic root of 745394203 is about 906.6966343330.

The spelling of 745394203 in words is "seven hundred forty-five million, three hundred ninety-four thousand, two hundred three".