443556142 has 4 divisors (see below), whose sum is σ = 665334216. Its totient is φ = 221778070.

The previous prime is 443556119. The next prime is 443556167. The reversal of 443556142 is 241655344.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×443556142² = 393484102211848328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 443556098 and 443556107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110889034 + ... + 110889037.

It is an arithmetic number, because the mean of its divisors is an integer number (166333554).

Almost surely, 2^443556142 is an apocalyptic number.

443556142 is a deficient number, since it is larger than the sum of its proper divisors (221778074).

443556142 is a wasteful number, since it uses less digits than its factorization.

443556142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221778073.

The product of its digits is 57600, while the sum is 34.

The square root of 443556142 is about 21060.7725879180. The cubic root of 443556142 is about 762.6340630351.

The spelling of 443556142 in words is "four hundred forty-three million, five hundred fifty-six thousand, one hundred forty-two".