1145544225532 has 24 divisors (see below), whose sum is σ = 2291159678976. Its totient is φ = 490932262128.

The previous prime is 1145544225521. The next prime is 1145544225547. The reversal of 1145544225532 is 2355224455411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305193 + ... + 1544095.

It is an arithmetic number, because the mean of its divisors is an integer number (95464986624).

Almost surely, 2^{1145544225532} is an apocalyptic number.

It is an amenable number.

1145544225532 is an abundant number, since it is smaller than the sum of its proper divisors (1145615453444).

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

1145544225532 is a wasteful number, since it uses less digits than its factorization.

1145544225532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271937 (or 1271935 counting only the distinct ones).

The product of its digits is 960000, while the sum is 43.

The spelling of 1145544225532 in words is "one trillion, one hundred forty-five billion, five hundred forty-four million, two hundred twenty-five thousand, five hundred thirty-two".