745383 has 4 divisors (see below), whose sum is σ = 993848. Its totient is φ = 496920.

The previous prime is 745379. The next prime is 745391. The reversal of 745383 is 383547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383547 = 3 ⋅127849.

It is not a de Polignac number, because 745383 - 2² = 745379 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745383.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 745383.

It is not an unprimeable number, because it can be changed into a prime (745343) 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, 124228 + ... + 124233.

It is an arithmetic number, because the mean of its divisors is an integer number (248462).

2⁷⁴⁵³⁸³ is an apocalyptic number.

745383 is a deficient number, since it is larger than the sum of its proper divisors (248465).

745383 is a wasteful number, since it uses less digits than its factorization.

745383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248464.

The product of its digits is 10080, while the sum is 30.

The square root of 745383 is about 863.3556625169. The cubic root of 745383 is about 90.6692091872.

It can be divided in two parts, 745 and 383, that added together give a triangular number (1128 = T₄₇).

The spelling of 745383 in words is "seven hundred forty-five thousand, three hundred eighty-three".