445254235231 has 8 divisors (see below), whose sum is σ = 479539428480. Its totient is φ = 410974023072.

The previous prime is 445254235211. The next prime is 445254235243. The reversal of 445254235231 is 132532452544.

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

It is a cyclic number.

It is not a de Polignac number, because 445254235231 - 2⁷ = 445254235103 is a prime.

It is a super-2 number, since 2×445254235231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445254235201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058575 + ... + 1418128.

It is an arithmetic number, because the mean of its divisors is an integer number (59942428560).

Almost surely, 2^445254235231 is an apocalyptic number.

445254235231 is a deficient number, since it is larger than the sum of its proper divisors (34285193249).

445254235231 is a wasteful number, since it uses less digits than its factorization.

445254235231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490545.

The product of its digits is 576000, while the sum is 40.

Adding to 445254235231 its reverse (132532452544), we get a palindrome (577786687775).

The spelling of 445254235231 in words is "four hundred forty-five billion, two hundred fifty-four million, two hundred thirty-five thousand, two hundred thirty-one".