545432100 has 36 divisors (see below), whose sum is σ = 1578117744. Its totient is φ = 145448480.

The previous prime is 545432053. The next prime is 545432101. The reversal of 545432100 is 1234545.

It is not an unprimeable number, because it can be changed into a prime (545432101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 908754 + ... + 909353.

It is an arithmetic number, because the mean of its divisors is an integer number (43836604).

Almost surely, 2^545432100 is an apocalyptic number.

545432100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545432100 is an abundant number, since it is smaller than the sum of its proper divisors (1032685644).

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

545432100 is a wasteful number, since it uses less digits than its factorization.

545432100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818124 (or 1818117 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 545432100 is about 23354.4877914289. The cubic root of 545432100 is about 817.0467331781.

Adding to 545432100 its reverse (1234545), we get a palindrome (546666645).

The spelling of 545432100 in words is "five hundred forty-five million, four hundred thirty-two thousand, one hundred".