545423694 has 8 divisors (see below), whose sum is σ = 1090847400. Its totient is φ = 181807896.

The previous prime is 545423657. The next prime is 545423707. The reversal of 545423694 is 496324545.

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

545423694 is an admirable number.

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, 45451969 + ... + 45451980.

It is an arithmetic number, because the mean of its divisors is an integer number (136355925).

Almost surely, 2^545423694 is an apocalyptic number.

545423694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545423694 is a wasteful number, since it uses less digits than its factorization.

545423694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90903954.

The product of its digits is 518400, while the sum is 42.

The square root of 545423694 is about 23354.3078253242. The cubic root of 545423694 is about 817.0425358147.

The spelling of 545423694 in words is "five hundred forty-five million, four hundred twenty-three thousand, six hundred ninety-four".