1545231135532 has 48 divisors (see below), whose sum is σ = 3148973755200. Its totient is φ = 649705335552.

The previous prime is 1545231135509. The next prime is 1545231135563. The reversal of 1545231135532 is 2355311325451.

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, 37597378 + ... + 37638454.

It is an arithmetic number, because the mean of its divisors is an integer number (65603619900).

Almost surely, 2^{1545231135532} is an apocalyptic number.

It is an amenable number.

1545231135532 is an abundant number, since it is smaller than the sum of its proper divisors (1603742619668).

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

1545231135532 is a wasteful number, since it uses less digits than its factorization.

1545231135532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66490 (or 66488 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The spelling of 1545231135532 in words is "one trillion, five hundred forty-five billion, two hundred thirty-one million, one hundred thirty-five thousand, five hundred thirty-two".