545142838 has 8 divisors (see below), whose sum is σ = 827566488. Its totient is φ = 269287344.

The previous prime is 545142833. The next prime is 545142869. The reversal of 545142838 is 838241545.

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

It is a self number, because there is not a number n which added to its sum of digits gives 545142838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545142833) 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, 1641831 + ... + 1642162.

It is an arithmetic number, because the mean of its divisors is an integer number (103445811).

Almost surely, 2^545142838 is an apocalyptic number.

545142838 is a deficient number, since it is larger than the sum of its proper divisors (282423650).

545142838 is a wasteful number, since it uses less digits than its factorization.

545142838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284078.

The product of its digits is 153600, while the sum is 40.

The square root of 545142838 is about 23348.2941132752. The cubic root of 545142838 is about 816.9022713441.

The spelling of 545142838 in words is "five hundred forty-five million, one hundred forty-two thousand, eight hundred thirty-eight".