745494043 has 4 divisors (see below), whose sum is σ = 851993200. Its totient is φ = 638994888.

The previous prime is 745494041. The next prime is 745494083. The reversal of 745494043 is 340494547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340494547 = 17 ⋅20029091.

It is not a de Polignac number, because 745494043 - 2¹ = 745494041 is a prime.

It is a super-2 number, since 2×745494043² = 1111522736296971698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745493987 and 745494005.

It is not an unprimeable number, because it can be changed into a prime (745494041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53249568 + ... + 53249581.

It is an arithmetic number, because the mean of its divisors is an integer number (212998300).

Almost surely, 2^745494043 is an apocalyptic number.

745494043 is a deficient number, since it is larger than the sum of its proper divisors (106499157).

745494043 is a wasteful number, since it uses less digits than its factorization.

745494043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106499156.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 745494043 is about 27303.7367955377. The cubic root of 745494043 is about 906.7371142787.

The spelling of 745494043 in words is "seven hundred forty-five million, four hundred ninety-four thousand, forty-three".