545432322 has 16 divisors (see below), whose sum is σ = 1091314080. Its totient is φ = 181735872.

The previous prime is 545432311. The next prime is 545432323. The reversal of 545432322 is 223234545.

It is a self number, because there is not a number n which added to its sum of digits gives 545432322.

It is not an unprimeable number, because it can be changed into a prime (545432323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768 + ... + 33075.

It is an arithmetic number, because the mean of its divisors is an integer number (68207130).

Almost surely, 2^545432322 is an apocalyptic number.

545432322 is an abundant number, since it is smaller than the sum of its proper divisors (545881758).

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

545432322 is a wasteful number, since it uses less digits than its factorization.

545432322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37457.

The product of its digits is 28800, while the sum is 30.

The square root of 545432322 is about 23354.4925442622. The cubic root of 545432322 is about 817.0468440286.

Adding to 545432322 its reverse (223234545), we get a palindrome (768666867).

It can be divided in two parts, 54543 and 2322, that added together give a palindrome (56865).

The spelling of 545432322 in words is "five hundred forty-five million, four hundred thirty-two thousand, three hundred twenty-two".