42546543 has 8 divisors (see below), whose sum is σ = 61092528. Its totient is φ = 26182464.

The previous prime is 42546533. The next prime is 42546557. The reversal of 42546543 is 34564524.

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

It is a de Polignac number, because none of the positive numbers 2^k-42546543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42546523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545430 + ... + 545507.

It is an arithmetic number, because the mean of its divisors is an integer number (7636566).

Almost surely, 2^42546543 is an apocalyptic number.

42546543 is a deficient number, since it is larger than the sum of its proper divisors (18545985).

42546543 is a wasteful number, since it uses less digits than its factorization.

42546543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090953.

The product of its digits is 57600, while the sum is 33.

The square root of 42546543 is about 6522.7711135682. The cubic root of 42546543 is about 349.1039473841.

The spelling of 42546543 in words is "forty-two million, five hundred forty-six thousand, five hundred forty-three".