42545876 has 6 divisors (see below), whose sum is σ = 74455290. Its totient is φ = 21272936.

The previous prime is 42545873. The next prime is 42545879. The reversal of 42545876 is 67854524.

It is an interprime number because it is at equal distance from previous prime (42545873) and next prime (42545879).

It can be written as a sum of positive squares in only one way, i.e., 29441476 + 13104400 = 5426^2 + 3620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42545873) by changing a digit.

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 as a sum of consecutive naturals, namely, 5318231 + ... + 5318238.

It is an arithmetic number, because the mean of its divisors is an integer number (12409215).

Almost surely, 2^42545876 is an apocalyptic number.

It is an amenable number.

42545876 is a deficient number, since it is larger than the sum of its proper divisors (31909414).

42545876 is a wasteful number, since it uses less digits than its factorization.

42545876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10636473 (or 10636471 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 42545876 is about 6522.7199847916. The cubic root of 42545876 is about 349.1021230796.

The spelling of 42545876 in words is "forty-two million, five hundred forty-five thousand, eight hundred seventy-six".