444652142 has 8 divisors (see below), whose sum is σ = 727612632. Its totient is φ = 202114600.

The previous prime is 444652129. The next prime is 444652163. The reversal of 444652142 is 241256444.

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

It is a junction number, because it is equal to n+sod(n) for n = 444652099 and 444652108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10105709 + ... + 10105752.

It is an arithmetic number, because the mean of its divisors is an integer number (90951579).

Almost surely, 2^444652142 is an apocalyptic number.

444652142 is a deficient number, since it is larger than the sum of its proper divisors (282960490).

444652142 is a wasteful number, since it uses less digits than its factorization.

444652142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211474.

The product of its digits is 30720, while the sum is 32.

The square root of 444652142 is about 21086.7764724720. The cubic root of 444652142 is about 763.2616870308.

The spelling of 444652142 in words is "four hundred forty-four million, six hundred fifty-two thousand, one hundred forty-two".