442232141 has 8 divisors (see below), whose sum is σ = 476542080. Its totient is φ = 407963952.

The previous prime is 442232137. The next prime is 442232171. The reversal of 442232141 is 141232244.

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

It is a cyclic number.

It is not a de Polignac number, because 442232141 - 2² = 442232137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442232111) 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, 13640 + ... + 32718.

It is an arithmetic number, because the mean of its divisors is an integer number (59567760).

Almost surely, 2^442232141 is an apocalyptic number.

It is an amenable number.

442232141 is a deficient number, since it is larger than the sum of its proper divisors (34309939).

442232141 is a wasteful number, since it uses less digits than its factorization.

442232141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20875.

The product of its digits is 1536, while the sum is 23.

The square root of 442232141 is about 21029.3162275905. The cubic root of 442232141 is about 761.8744939489.

Adding to 442232141 its reverse (141232244), we get a palindrome (583464385).

It can be divided in two parts, 44223 and 2141, that added together give a palindrome (46364).

The spelling of 442232141 in words is "four hundred forty-two million, two hundred thirty-two thousand, one hundred forty-one".