545405144000 has 56 divisors (see below), whose sum is σ = 1350695858928. Its totient is φ = 218162054400.

The previous prime is 545405143991. The next prime is 545405144051. The reversal of 545405144000 is 441504545.

It is a super-2 number, since 2×545405144000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 34079822 + ... + 34095821.

Almost surely, 2^545405144000 is an apocalyptic number.

545405144000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545405144000 is an abundant number, since it is smaller than the sum of its proper divisors (805290714928).

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

545405144000 is an equidigital number, since it uses as much as digits as its factorization.

545405144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68175670 (or 68175650 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 545405144000 its reverse (441504545), we get a palindrome (545846648545).

The spelling of 545405144000 in words is "five hundred forty-five billion, four hundred five million, one hundred forty-four thousand".