446142564541 has 4 divisors (see below), whose sum is σ = 446865648732. Its totient is φ = 445419480352.

The previous prime is 446142564523. The next prime is 446142564557. The reversal of 446142564541 is 145465241644.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 245218088025 + 200924476516 = 495195^2 + 448246^2 .

It is a cyclic number.

It is not a de Polignac number, because 446142564541 - 2⁵ = 446142564509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 446142564491 and 446142564500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446142564841) 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, 361541170 + ... + 361542403.

It is an arithmetic number, because the mean of its divisors is an integer number (111716412183).

Almost surely, 2^446142564541 is an apocalyptic number.

It is an amenable number.

446142564541 is a deficient number, since it is larger than the sum of its proper divisors (723084191).

446142564541 is an equidigital number, since it uses as much as digits as its factorization.

446142564541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723084190.

The product of its digits is 1843200, while the sum is 46.

The spelling of 446142564541 in words is "four hundred forty-six billion, one hundred forty-two million, five hundred sixty-four thousand, five hundred forty-one".