545260278 has 16 divisors (see below), whose sum is σ = 1154669040. Its totient is φ = 171062016.

The previous prime is 545260277. The next prime is 545260307. The reversal of 545260278 is 872062545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545260277) 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, 2672743 + ... + 2672946.

It is an arithmetic number, because the mean of its divisors is an integer number (72166815).

Almost surely, 2^545260278 is an apocalyptic number.

545260278 is an abundant number, since it is smaller than the sum of its proper divisors (609408762).

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

545260278 is a wasteful number, since it uses less digits than its factorization.

545260278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345711.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 545260278 is about 23350.8089367371. The cubic root of 545260278 is about 816.9609288235.

The spelling of 545260278 in words is "five hundred forty-five million, two hundred sixty thousand, two hundred seventy-eight".