745331043 has 4 divisors (see below), whose sum is σ = 993774728. Its totient is φ = 496887360.

The previous prime is 745331039. The next prime is 745331063. The reversal of 745331043 is 340133547.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 745331043 - 2² = 745331039 is a prime.

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 745331043.

It is not an unprimeable number, because it can be changed into a prime (745331023) 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, 124221838 + ... + 124221843.

It is an arithmetic number, because the mean of its divisors is an integer number (248443682).

Almost surely, 2^745331043 is an apocalyptic number.

745331043 is a deficient number, since it is larger than the sum of its proper divisors (248443685).

745331043 is a wasteful number, since it uses less digits than its factorization.

745331043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248443684.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 745331043 is about 27300.7516929479. The cubic root of 745331043 is about 906.6710243597.

The spelling of 745331043 in words is "seven hundred forty-five million, three hundred thirty-one thousand, forty-three".