545094538 has 8 divisors (see below), whose sum is σ = 819682020. Its totient is φ = 271867200.

The previous prime is 545094533. The next prime is 545094547. The reversal of 545094538 is 835490545.

It can be written as a sum of positive squares in 2 ways, for example, as 539772289 + 5322249 = 23233^2 + 2307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 545094494 and 545094503.

It is not an unprimeable number, because it can be changed into a prime (545094533) 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, 339033 + ... + 340636.

Almost surely, 2^545094538 is an apocalyptic number.

545094538 is a deficient number, since it is larger than the sum of its proper divisors (274587482).

545094538 is a wasteful number, since it uses less digits than its factorization.

545094538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680072.

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 545094538 is about 23347.2597535557. The cubic root of 545094538 is about 816.8781446124.

The spelling of 545094538 in words is "five hundred forty-five million, ninety-four thousand, five hundred thirty-eight".