42102546 has 16 divisors (see below), whose sum is σ = 84372384. Its totient is φ = 14006304.

The previous prime is 42102539. The next prime is 42102563. The reversal of 42102546 is 64520124.

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 7 ways as a sum of consecutive naturals, for example, 3571 + ... + 9846.

It is an arithmetic number, because the mean of its divisors is an integer number (5273274).

Almost surely, 2^42102546 is an apocalyptic number.

42102546 is an abundant number, since it is smaller than the sum of its proper divisors (42269838).

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

42102546 is a wasteful number, since it uses less digits than its factorization.

42102546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13945.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42102546 is about 6488.6474707754. The cubic root of 42102546 is about 347.8853334725.

The spelling of 42102546 in words is "forty-two million, one hundred two thousand, five hundred forty-six".