745133 has 2 divisors, whose sum is σ = 745134. Its totient is φ = 745132.

The previous prime is 745117. The next prime is 745141. The reversal of 745133 is 331547.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 574564 + 170569 = 758^2 + 413^2 .

It is an emirp because it is prime and its reverse (331547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745133 - 2⁴ = 745117 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 745099 and 745108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372566 + 372567.

It is an arithmetic number, because the mean of its divisors is an integer number (372567).

2⁷⁴⁵¹³³ is an apocalyptic number.

It is an amenable number.

745133 is a deficient number, since it is larger than the sum of its proper divisors (1).

745133 is an equidigital number, since it uses as much as digits as its factorization.

745133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 23.

The square root of 745133 is about 863.2108664747. The cubic root of 745133 is about 90.6590712952.

It can be divided in two parts, 745 and 133, that added together give a palindrome (878).

The spelling of 745133 in words is "seven hundred forty-five thousand, one hundred thirty-three".