745231446 has 24 divisors (see below), whose sum is σ = 1616188080. Its totient is φ = 248176656.

The previous prime is 745231439. The next prime is 745231447. The reversal of 745231446 is 644132547.

745231446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 745231446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745231447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735 + ... + 38613.

It is an arithmetic number, because the mean of its divisors is an integer number (67341170).

Almost surely, 2^745231446 is an apocalyptic number.

745231446 is an abundant number, since it is smaller than the sum of its proper divisors (870956634).

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

745231446 is a wasteful number, since it uses less digits than its factorization.

745231446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38980 (or 38977 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 745231446 is about 27298.9275613530. The cubic root of 745231446 is about 906.6306370547.

The spelling of 745231446 in words is "seven hundred forty-five million, two hundred thirty-one thousand, four hundred forty-six".