445453125431 has 8 divisors (see below), whose sum is σ = 455030814144. Its totient is φ = 435879601920.

The previous prime is 445453125421. The next prime is 445453125461. The reversal of 445453125431 is 134521354544.

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 445453125431 - 2²² = 445448931127 is a prime.

It is a super-2 number, since 2×445453125431² (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 (445453125421) 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, 824630 + ... + 1253363.

It is an arithmetic number, because the mean of its divisors is an integer number (56878851768).

Almost surely, 2^445453125431 is an apocalyptic number.

445453125431 is a deficient number, since it is larger than the sum of its proper divisors (9577688713).

445453125431 is a wasteful number, since it uses less digits than its factorization.

445453125431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082601.

The product of its digits is 576000, while the sum is 41.

Adding to 445453125431 its reverse (134521354544), we get a palindrome (579974479975).

The spelling of 445453125431 in words is "four hundred forty-five billion, four hundred fifty-three million, one hundred twenty-five thousand, four hundred thirty-one".