745394159 has 2 divisors, whose sum is σ = 745394160. Its totient is φ = 745394158.

The previous prime is 745394147. The next prime is 745394203. The reversal of 745394159 is 951493547.

It is a weak prime.

It is an emirp because it is prime and its reverse (951493547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745394159 - 2⁸ = 745393903 is a prime.

It is a super-2 number, since 2×745394159² = 1111224904542634562, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745394129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372697079 + 372697080.

It is an arithmetic number, because the mean of its divisors is an integer number (372697080).

Almost surely, 2^745394159 is an apocalyptic number.

745394159 is a deficient number, since it is larger than the sum of its proper divisors (1).

745394159 is an equidigital number, since it uses as much as digits as its factorization.

745394159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 745394159 is about 27301.9076073449. The cubic root of 745394159 is about 906.6966164925.

The spelling of 745394159 in words is "seven hundred forty-five million, three hundred ninety-four thousand, one hundred fifty-nine".