545738 has 8 divisors (see below), whose sum is σ = 821988. Its totient is φ = 271744.

The previous prime is 545731. The next prime is 545747. The reversal of 545738 is 837545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 494209 + 51529 = 703^2 + 227^2 .

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545738.

It is not an unprimeable number, because it can be changed into a prime (545731) 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, 320 + ... + 1092.

2⁵⁴⁵⁷³⁸ is an apocalyptic number.

545738 is a deficient number, since it is larger than the sum of its proper divisors (276250).

545738 is a wasteful number, since it uses less digits than its factorization.

545738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128.

The product of its digits is 16800, while the sum is 32.

The square root of 545738 is about 738.7408205859. The cubic root of 545738 is about 81.7199448726.

The spelling of 545738 in words is "five hundred forty-five thousand, seven hundred thirty-eight".