745242022446 has 64 divisors (see below), whose sum is σ = 1545809356800. Its totient is φ = 239237510400.

The previous prime is 745242022429. The next prime is 745242022451. The reversal of 745242022446 is 644220242547.

It is a happy number.

745242022446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 745242022398 and 745242022407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181277931 + ... + 181282041.

It is an arithmetic number, because the mean of its divisors is an integer number (24153271200).

Almost surely, 2^745242022446 is an apocalyptic number.

745242022446 is an abundant number, since it is smaller than the sum of its proper divisors (800567334354).

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

745242022446 is a wasteful number, since it uses less digits than its factorization.

745242022446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545.

The product of its (nonzero) digits is 860160, while the sum is 42.

The spelling of 745242022446 in words is "seven hundred forty-five billion, two hundred forty-two million, twenty-two thousand, four hundred forty-six".