545610238 has 4 divisors (see below), whose sum is σ = 818415360. Its totient is φ = 272805118.

The previous prime is 545610203. The next prime is 545610239. The reversal of 545610238 is 832016545.

545610238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545610239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136402558 + ... + 136402561.

It is an arithmetic number, because the mean of its divisors is an integer number (204603840).

Almost surely, 2^545610238 is an apocalyptic number.

545610238 is a deficient number, since it is larger than the sum of its proper divisors (272805122).

545610238 is a wasteful number, since it uses less digits than its factorization.

545610238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272805121.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 545610238 is about 23358.3012652890. The cubic root of 545610238 is about 817.1356725888.

The spelling of 545610238 in words is "five hundred forty-five million, six hundred ten thousand, two hundred thirty-eight".