745154448122 has 32 divisors (see below), whose sum is σ = 1321236209664. Its totient is φ = 308435727600.

The previous prime is 745154448089. The next prime is 745154448139. The reversal of 745154448122 is 221844451547.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488404 + ... + 1925007.

It is an arithmetic number, because the mean of its divisors is an integer number (41288631552).

Almost surely, 2^745154448122 is an apocalyptic number.

745154448122 is a deficient number, since it is larger than the sum of its proper divisors (576081761542).

745154448122 is a wasteful number, since it uses less digits than its factorization.

745154448122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413954.

The product of its digits is 1433600, while the sum is 47.

Adding to 745154448122 its reverse (221844451547), we get a palindrome (966998899669).

The spelling of 745154448122 in words is "seven hundred forty-five billion, one hundred fifty-four million, four hundred forty-eight thousand, one hundred twenty-two".