538942045 has 4 divisors (see below), whose sum is σ = 646730460. Its totient is φ = 431153632.

The previous prime is 538942031. The next prime is 538942051. The reversal of 538942045 is 540249835.

538942045 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 can be written as a sum of positive squares in 2 ways, for example, as 296735076 + 242206969 = 17226^2 + 15563^2 .

It is a cyclic number.

It is not a de Polignac number, because 538942045 - 2²⁵ = 505387613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538941989 and 538942007.

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, 53894200 + ... + 53894209.

It is an arithmetic number, because the mean of its divisors is an integer number (161682615).

Almost surely, 2^538942045 is an apocalyptic number.

It is an amenable number.

538942045 is a deficient number, since it is larger than the sum of its proper divisors (107788415).

538942045 is a wasteful number, since it uses less digits than its factorization.

538942045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107788414.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 538942045 is about 23215.1253496508. The cubic root of 538942045 is about 813.7931351372.

The spelling of 538942045 in words is "five hundred thirty-eight million, nine hundred forty-two thousand, forty-five".