447142 has 8 divisors (see below), whose sum is σ = 675000. Its totient is φ = 222144.

The previous prime is 447137. The next prime is 447173. The reversal of 447142 is 241744.

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

It is a congruent number.

It is an unprimeable number.

447142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267 + ... + 982.

It is an arithmetic number, because the mean of its divisors is an integer number (84375).

2⁴⁴⁷¹⁴² is an apocalyptic number.

447142 is a deficient number, since it is larger than the sum of its proper divisors (227858).

447142 is a wasteful number, since it uses less digits than its factorization.

447142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430.

The product of its digits is 896, while the sum is 22.

The square root of 447142 is about 668.6867727120. The cubic root of 447142 is about 76.4683680293.

Adding to 447142 its reverse (241744), we get a palindrome (688886).

The spelling of 447142 in words is "four hundred forty-seven thousand, one hundred forty-two", and thus it is an iban number.