745443450 has 36 divisors (see below), whose sum is σ = 2002759278. Its totient is φ = 198784800.

The previous prime is 745443449. The next prime is 745443451. The reversal of 745443450 is 54344547.

745443450 is a `hidden beast` number, since 74 + 544 + 3 + 45 + 0 = 666.

745443450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (745443449) and next prime (745443451).

It can be written as a sum of positive squares in 3 ways, for example, as 609744249 + 135699201 = 24693^2 + 11649^2 .

It is not an unprimeable number, because it can be changed into a prime (745443451) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 827821 + ... + 828720.

Almost surely, 2^745443450 is an apocalyptic number.

745443450 is an abundant number, since it is smaller than the sum of its proper divisors (1257315828).

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

745443450 is a wasteful number, since it uses less digits than its factorization.

745443450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656559 (or 1656551 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The square root of 745443450 is about 27302.8102949129. The cubic root of 745443450 is about 906.7166018910.

Adding to 745443450 its reverse (54344547), we get a palindrome (799787997).

The spelling of 745443450 in words is "seven hundred forty-five million, four hundred forty-three thousand, four hundred fifty".