446143342 has 8 divisors (see below), whose sum is σ = 708580656. Its totient is φ = 209949792.

The previous prime is 446143319. The next prime is 446143349. The reversal of 446143342 is 243341644.

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

It is a super-2 number, since 2×446143342² = 398087763221857928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446143349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6560898 + ... + 6560965.

It is an arithmetic number, because the mean of its divisors is an integer number (88572582).

Almost surely, 2^446143342 is an apocalyptic number.

446143342 is a deficient number, since it is larger than the sum of its proper divisors (262437314).

446143342 is a wasteful number, since it uses less digits than its factorization.

446143342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13121882.

The product of its digits is 27648, while the sum is 31.

The square root of 446143342 is about 21122.1055295158. The cubic root of 446143342 is about 764.1139681320.

Adding to 446143342 its reverse (243341644), we get a palindrome (689484986).

The spelling of 446143342 in words is "four hundred forty-six million, one hundred forty-three thousand, three hundred forty-two".