442547142 has 32 divisors (see below), whose sum is σ = 907822080. Its totient is φ = 143744160.

The previous prime is 442547137. The next prime is 442547167. The reversal of 442547142 is 241745244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121792 + ... + 125372.

It is an arithmetic number, because the mean of its divisors is an integer number (28369440).

Almost surely, 2^442547142 is an apocalyptic number.

442547142 is an abundant number, since it is smaller than the sum of its proper divisors (465274938).

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

442547142 is a wasteful number, since it uses less digits than its factorization.

442547142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its digits is 35840, while the sum is 33.

The square root of 442547142 is about 21036.8044626554. The cubic root of 442547142 is about 762.0553448686.

The spelling of 442547142 in words is "four hundred forty-two million, five hundred forty-seven thousand, one hundred forty-two".