445316631 has 8 divisors (see below), whose sum is σ = 595854720. Its totient is φ = 295828152.

The previous prime is 445316629. The next prime is 445316633. The reversal of 445316631 is 136613544.

It is an interprime number because it is at equal distance from previous prime (445316629) and next prime (445316633).

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

It is not a de Polignac number, because 445316631 - 2¹ = 445316629 is a prime.

It is a super-2 number, since 2×445316631² = 396613803690380322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445316592 and 445316601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445316633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261411 + ... + 263108.

It is an arithmetic number, because the mean of its divisors is an integer number (74481840).

Almost surely, 2^445316631 is an apocalyptic number.

445316631 is a deficient number, since it is larger than the sum of its proper divisors (150538089).

445316631 is a wasteful number, since it uses less digits than its factorization.

445316631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524805.

The product of its digits is 25920, while the sum is 33.

The square root of 445316631 is about 21102.5266496692. The cubic root of 445316631 is about 763.6417043625.

The spelling of 445316631 in words is "four hundred forty-five million, three hundred sixteen thousand, six hundred thirty-one".