545641146544 has 40 divisors (see below), whose sum is σ = 1205471907360. Its totient is φ = 237020587008.

The previous prime is 545641146529. The next prime is 545641146551. The reversal of 545641146544 is 445641146545.

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, 77151604 + ... + 77158675.

It is an arithmetic number, because the mean of its divisors is an integer number (30136797684).

Almost surely, 2^545641146544 is an apocalyptic number.

It is an amenable number.

545641146544 is an abundant number, since it is smaller than the sum of its proper divisors (659830760816).

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

545641146544 is a wasteful number, since it uses less digits than its factorization.

545641146544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154310317 (or 154310311 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 49.

Subtracting from 545641146544 its reverse (445641146545), we obtain a palindrome (99999999999).

The spelling of 545641146544 in words is "five hundred forty-five billion, six hundred forty-one million, one hundred forty-six thousand, five hundred forty-four".