545423742 has 48 divisors (see below), whose sum is σ = 1219458240. Its totient is φ = 176095296.

The previous prime is 545423731. The next prime is 545423761. The reversal of 545423742 is 247324545.

545423742 is a `hidden beast` number, since 545 + 42 + 3 + 74 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 545423697 and 545423706.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71748 + ... + 78984.

It is an arithmetic number, because the mean of its divisors is an integer number (25405380).

Almost surely, 2^545423742 is an apocalyptic number.

545423742 is an abundant number, since it is smaller than the sum of its proper divisors (674034498).

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

545423742 is a wasteful number, since it uses less digits than its factorization.

545423742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377 (or 7374 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 545423742 is about 23354.3088529719. The cubic root of 545423742 is about 817.0425597827.

The spelling of 545423742 in words is "five hundred forty-five million, four hundred twenty-three thousand, seven hundred forty-two".