442313142 has 16 divisors (see below), whose sum is σ = 895285440. Its totient is φ = 145661192.

The previous prime is 442313111. The next prime is 442313149. The reversal of 442313142 is 241313244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442313149) 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, 443592 + ... + 444587.

It is an arithmetic number, because the mean of its divisors is an integer number (55955340).

Almost surely, 2^442313142 is an apocalyptic number.

442313142 is an abundant number, since it is smaller than the sum of its proper divisors (452972298).

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

442313142 is a wasteful number, since it uses less digits than its factorization.

442313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888267.

The product of its digits is 2304, while the sum is 24.

The square root of 442313142 is about 21031.2420460609. The cubic root of 442313142 is about 761.9210070979.

Adding to 442313142 its reverse (241313244), we get a palindrome (683626386).

The spelling of 442313142 in words is "four hundred forty-two million, three hundred thirteen thousand, one hundred forty-two".