431141445 has 144 divisors (see below), whose sum is σ = 941129280. Its totient is φ = 181440000.

The previous prime is 431141441. The next prime is 431141453. The reversal of 431141445 is 544141134.

It is not a de Polignac number, because 431141445 - 2² = 431141441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431141441) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1717570 + ... + 1717820.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 2^431141445 is an apocalyptic number.

431141445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

431141445 is an abundant number, since it is smaller than the sum of its proper divisors (509987835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431141445 is a wasteful number, since it uses less digits than its factorization.

431141445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 326 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 431141445 is about 20763.9457955370. The cubic root of 431141445 is about 755.4515054436.

Adding to 431141445 its reverse (544141134), we get a palindrome (975282579).

The spelling of 431141445 in words is "four hundred thirty-one million, one hundred forty-one thousand, four hundred forty-five".