745135 has 4 divisors (see below), whose sum is σ = 894168. Its totient is φ = 596104.

The previous prime is 745133. The next prime is 745141. The reversal of 745135 is 531547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745135 - 2¹ = 745133 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74509 + ... + 74518.

It is an arithmetic number, because the mean of its divisors is an integer number (223542).

2⁷⁴⁵¹³⁵ is an apocalyptic number.

745135 is a deficient number, since it is larger than the sum of its proper divisors (149033).

745135 is a wasteful number, since it uses less digits than its factorization.

745135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149032.

The product of its digits is 2100, while the sum is 25.

The square root of 745135 is about 863.2120249394. The cubic root of 745135 is about 90.6591524073.

The spelling of 745135 in words is "seven hundred forty-five thousand, one hundred thirty-five".