745442043 has 8 divisors (see below), whose sum is σ = 1015070208. Its totient is φ = 486387624.

The previous prime is 745442039. The next prime is 745442057. The reversal of 745442043 is 340244547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745442043 - 2² = 745442039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745441995 and 745442013.

It is not an unprimeable number, because it can be changed into a prime (745442063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643271 + ... + 2643552.

It is an arithmetic number, because the mean of its divisors is an integer number (126883776).

Almost surely, 2^745442043 is an apocalyptic number.

745442043 is a deficient number, since it is larger than the sum of its proper divisors (269628165).

745442043 is a wasteful number, since it uses less digits than its factorization.

745442043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5286873.

The product of its (nonzero) digits is 53760, while the sum is 33.

The square root of 745442043 is about 27302.7845283224. The cubic root of 745442043 is about 906.7160314247.

The spelling of 745442043 in words is "seven hundred forty-five million, four hundred forty-two thousand, forty-three".