445541582141 has 4 divisors (see below), whose sum is σ = 445543011900. Its totient is φ = 445540152384.

The previous prime is 445541582113. The next prime is 445541582147. The reversal of 445541582141 is 141285145544.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 307105497241 + 138436084900 = 554171^2 + 372070^2 .

It is a cyclic number.

It is not a de Polignac number, because 445541582141 - 2⁶ = 445541582077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445541582092 and 445541582101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445541582147) 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, 26486 + ... + 944343.

It is an arithmetic number, because the mean of its divisors is an integer number (111385752975).

Almost surely, 2^445541582141 is an apocalyptic number.

It is an amenable number.

445541582141 is a deficient number, since it is larger than the sum of its proper divisors (1429759).

445541582141 is an equidigital number, since it uses as much as digits as its factorization.

445541582141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429758.

The product of its digits is 512000, while the sum is 44.

The spelling of 445541582141 in words is "four hundred forty-five billion, five hundred forty-one million, five hundred eighty-two thousand, one hundred forty-one".