745834147 has 2 divisors, whose sum is σ = 745834148. Its totient is φ = 745834146.

The previous prime is 745834139. The next prime is 745834213. The reversal of 745834147 is 741438547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 745834147 - 2³ = 745834139 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (745834127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372917073 + 372917074.

It is an arithmetic number, because the mean of its divisors is an integer number (372917074).

Almost surely, 2^745834147 is an apocalyptic number.

745834147 is a deficient number, since it is larger than the sum of its proper divisors (1).

745834147 is an equidigital number, since it uses as much as digits as its factorization.

745834147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 43.

The square root of 745834147 is about 27309.9642438433. The cubic root of 745834147 is about 906.8749817050.

The spelling of 745834147 in words is "seven hundred forty-five million, eight hundred thirty-four thousand, one hundred forty-seven".