545878742 has 8 divisors (see below), whose sum is σ = 820168896. Its totient is φ = 272489112.

The previous prime is 545878709. The next prime is 545878763. The reversal of 545878742 is 247878545.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223613 + ... + 226040.

It is an arithmetic number, because the mean of its divisors is an integer number (102521112).

Almost surely, 2^545878742 is an apocalyptic number.

545878742 is a deficient number, since it is larger than the sum of its proper divisors (274290154).

545878742 is a wasteful number, since it uses less digits than its factorization.

545878742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450262.

The product of its digits is 2508800, while the sum is 50.

The square root of 545878742 is about 23364.0480653503. The cubic root of 545878742 is about 817.2696926886.

The spelling of 545878742 in words is "five hundred forty-five million, eight hundred seventy-eight thousand, seven hundred forty-two".