14445431 has 16 divisors (see below), whose sum is σ = 19396608. Its totient is φ = 10389600.

The previous prime is 14445391. The next prime is 14445433. The reversal of 14445431 is 13454441.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-14445431 is a prime.

It is a super-2 number, since 2×14445431² = 417340953551522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 14445431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14445433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6215 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (1212288).

Almost surely, 2^14445431 is an apocalyptic number.

14445431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14445431 is a deficient number, since it is larger than the sum of its proper divisors (4951177).

14445431 is a wasteful number, since it uses less digits than its factorization.

14445431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14462.

The product of its digits is 3840, while the sum is 26.

The square root of 14445431 is about 3800.7145380836. The cubic root of 14445431 is about 243.5436635604.

Adding to 14445431 its reverse (13454441), we get a palindrome (27899872).

The spelling of 14445431 in words is "fourteen million, four hundred forty-five thousand, four hundred thirty-one".