545342 has 8 divisors (see below), whose sum is σ = 934896. Its totient is φ = 233712.

The previous prime is 545329. The next prime is 545371. The reversal of 545342 is 243545.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19463 + ... + 19490.

It is an arithmetic number, because the mean of its divisors is an integer number (116862).

2⁵⁴⁵³⁴² is an apocalyptic number.

545342 is a deficient number, since it is larger than the sum of its proper divisors (389554).

545342 is a wasteful number, since it uses less digits than its factorization.

545342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38962.

The product of its digits is 2400, while the sum is 23.

The square root of 545342 is about 738.4727483124. The cubic root of 545342 is about 81.7001741348.

Adding to 545342 its reverse (243545), we get a palindrome (788887).

The spelling of 545342 in words is "five hundred forty-five thousand, three hundred forty-two".