42459543 has 12 divisors (see below), whose sum is σ = 70092048. Its totient is φ = 24262560.

The previous prime is 42459503. The next prime is 42459581. The reversal of 42459543 is 34595424.

It is a happy number.

42459543 is a `hidden beast` number, since 4 + 24 + 595 + 43 = 666.

It is not a de Polignac number, because 42459543 - 2⁹ = 42459031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42459498 and 42459507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42459503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336918 + ... + 337043.

It is an arithmetic number, because the mean of its divisors is an integer number (5841004).

Almost surely, 2^42459543 is an apocalyptic number.

42459543 is a deficient number, since it is larger than the sum of its proper divisors (27632505).

42459543 is a wasteful number, since it uses less digits than its factorization.

42459543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673974 (or 673971 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 42459543 is about 6516.0987561577. The cubic root of 42459543 is about 348.8658334927.

The spelling of 42459543 in words is "forty-two million, four hundred fifty-nine thousand, five hundred forty-three".