745444547 has 8 divisors (see below), whose sum is σ = 748792512. Its totient is φ = 742105000.

The previous prime is 745444529. The next prime is 745444591.

745444547 is nontrivially palindromic in base 10.

745444547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 745444547 - 2¹⁴ = 745428163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 745444498 and 745444507.

It is not an unprimeable number, because it can be changed into a prime (745444597) 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, 227672 + ... + 230922.

It is an arithmetic number, because the mean of its divisors is an integer number (93599064).

Almost surely, 2^745444547 is an apocalyptic number.

745444547 is a deficient number, since it is larger than the sum of its proper divisors (3347965).

745444547 is a wasteful number, since it uses less digits than its factorization.

745444547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209.

The product of its digits is 1254400, while the sum is 44.

The square root of 745444547 is about 27302.8303844125. The cubic root of 745444547 is about 906.7170466677.

The spelling of 745444547 in words is "seven hundred forty-five million, four hundred forty-four thousand, five hundred forty-seven".