431341445 has 4 divisors (see below), whose sum is σ = 517609740. Its totient is φ = 345073152.

The previous prime is 431341433. The next prime is 431341549. The reversal of 431341445 is 544143134.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110859841 + 320481604 = 10529^2 + 17902^2 .

It is a cyclic number.

It is not a de Polignac number, because 431341445 - 2⁶ = 431341381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43134140 + ... + 43134149.

It is an arithmetic number, because the mean of its divisors is an integer number (129402435).

Almost surely, 2^431341445 is an apocalyptic number.

It is an amenable number.

431341445 is a deficient number, since it is larger than the sum of its proper divisors (86268295).

431341445 is an equidigital number, since it uses as much as digits as its factorization.

431341445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86268294.

The product of its digits is 11520, while the sum is 29.

The square root of 431341445 is about 20768.7612774571. The cubic root of 431341445 is about 755.5683015639.

Adding to 431341445 its reverse (544143134), we get a palindrome (975484579).

The spelling of 431341445 in words is "four hundred thirty-one million, three hundred forty-one thousand, four hundred forty-five".