545418272 has 24 divisors (see below), whose sum is σ = 1227191616. Its totient is φ = 233750592.

The previous prime is 545418271. The next prime is 545418277. The reversal of 545418272 is 272814545.

It is not an unprimeable number, because it can be changed into a prime (545418271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217228 + ... + 1217675.

It is an arithmetic number, because the mean of its divisors is an integer number (51132984).

Almost surely, 2^545418272 is an apocalyptic number.

It is an amenable number.

545418272 is an abundant number, since it is smaller than the sum of its proper divisors (681773344).

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

545418272 is a wasteful number, since it uses less digits than its factorization.

545418272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434920 (or 2434912 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 545418272 is about 23354.1917436678. The cubic root of 545418272 is about 817.0398284276.

The spelling of 545418272 in words is "five hundred forty-five million, four hundred eighteen thousand, two hundred seventy-two".