745457881134 has 16 divisors (see below), whose sum is σ = 1490944561488. Its totient is φ = 248481160512.

The previous prime is 745457881123. The next prime is 745457881139. The reversal of 745457881134 is 431188754547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745457881139) 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, 855877 + ... + 1491120.

It is an arithmetic number, because the mean of its divisors is an integer number (93184035093).

Almost surely, 2^745457881134 is an apocalyptic number.

745457881134 is an abundant number, since it is smaller than the sum of its proper divisors (745486680354).

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

745457881134 is a wasteful number, since it uses less digits than its factorization.

745457881134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399939.

The product of its digits is 15052800, while the sum is 57.

The spelling of 745457881134 in words is "seven hundred forty-five billion, four hundred fifty-seven million, eight hundred eighty-one thousand, one hundred thirty-four".