445343431 has 8 divisors (see below), whose sum is σ = 482114304. Its totient is φ = 408931680.

The previous prime is 445343429. The next prime is 445343467. The reversal of 445343431 is 134343544.

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 445343431 - 2¹ = 445343429 is a prime.

It is a super-2 number, since 2×445343431² = 396661543069703522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445343393 and 445343402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445340431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87196 + ... + 92161.

It is an arithmetic number, because the mean of its divisors is an integer number (60264288).

Almost surely, 2^445343431 is an apocalyptic number.

445343431 is a deficient number, since it is larger than the sum of its proper divisors (36770873).

445343431 is a wasteful number, since it uses less digits than its factorization.

445343431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179561.

The product of its digits is 34560, while the sum is 31.

The square root of 445343431 is about 21103.1616351674. The cubic root of 445343431 is about 763.6570231909.

Adding to 445343431 its reverse (134343544), we get a palindrome (579686975).

The spelling of 445343431 in words is "four hundred forty-five million, three hundred forty-three thousand, four hundred thirty-one".