442143141 has 16 divisors (see below), whose sum is σ = 643496448. Its totient is φ = 267807600.

The previous prime is 442143133. The next prime is 442143151. The reversal of 442143141 is 141341244.

It is not a de Polignac number, because 442143141 - 2³ = 442143133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442143101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78696 + ... + 84126.

It is an arithmetic number, because the mean of its divisors is an integer number (40218528).

Almost surely, 2^442143141 is an apocalyptic number.

It is an amenable number.

442143141 is a deficient number, since it is larger than the sum of its proper divisors (201353307).

442143141 is a wasteful number, since it uses less digits than its factorization.

442143141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912.

The product of its digits is 1536, while the sum is 24.

The square root of 442143141 is about 21027.2000275833. The cubic root of 442143141 is about 761.8233809904.

Adding to 442143141 its reverse (141341244), we get a palindrome (583484385).

The spelling of 442143141 in words is "four hundred forty-two million, one hundred forty-three thousand, one hundred forty-one".