745122555243430 has 48 divisors (see below), whose sum is σ = 1680210421288560. Its totient is φ = 235819006492608.

The previous prime is 745122555243373. The next prime is 745122555243491. The reversal of 745122555243430 is 34342555221547.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58486850400 + ... + 58486863139.

It is an arithmetic number, because the mean of its divisors is an integer number (35004383776845).

Almost surely, 2^{745122555243430} is an apocalyptic number.

745122555243430 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

745122555243430 is an abundant number, since it is smaller than the sum of its proper divisors (935087866045130).

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

745122555243430 is a wasteful number, since it uses less digits than its factorization.

745122555243430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116973713573 (or 116973713566 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 52.

The spelling of 745122555243430 in words is "seven hundred forty-five trillion, one hundred twenty-two billion, five hundred fifty-five million, two hundred forty-three thousand, four hundred thirty".