545334538 has 32 divisors (see below), whose sum is σ = 944431488. Its totient is φ = 231336000.

The previous prime is 545334533. The next prime is 545334539. The reversal of 545334538 is 835433545.

It is a self number, because there is not a number n which added to its sum of digits gives 545334538.

It is not an unprimeable number, because it can be changed into a prime (545334533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777588 + ... + 778288.

It is an arithmetic number, because the mean of its divisors is an integer number (29513484).

Almost surely, 2^545334538 is an apocalyptic number.

545334538 is a deficient number, since it is larger than the sum of its proper divisors (399096950).

545334538 is a wasteful number, since it uses less digits than its factorization.

545334538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its digits is 432000, while the sum is 40.

The square root of 545334538 is about 23352.3989774070. The cubic root of 545334538 is about 816.9980149437.

The spelling of 545334538 in words is "five hundred forty-five million, three hundred thirty-four thousand, five hundred thirty-eight".