745233192 has 144 divisors (see below), whose sum is σ = 2241095220. Its totient is φ = 223534080.

The previous prime is 745233191. The next prime is 745233241. The reversal of 745233192 is 291332547.

745233192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 693479556 + 51753636 = 26334^2 + 7194^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (745233191) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 984078 + ... + 984834.

Almost surely, 2^745233192 is an apocalyptic number.

745233192 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745233192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120547610).

745233192 is an abundant number, since it is smaller than the sum of its proper divisors (1495862028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745233192 is a wasteful number, since it uses less digits than its factorization.

745233192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904 (or 886 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 745233192 is about 27298.9595406125. The cubic root of 745233192 is about 906.6313451013.

The spelling of 745233192 in words is "seven hundred forty-five million, two hundred thirty-three thousand, one hundred ninety-two".