14540432315 has 4 divisors (see below), whose sum is σ = 17448518784. Its totient is φ = 11632345848.

The previous prime is 14540432303. The next prime is 14540432317. The reversal of 14540432315 is 51323404541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51323404541 = 1709 ⋅30031249.

It is a cyclic number.

It is not a de Polignac number, because 14540432315 - 2²² = 14536238011 is a prime.

It is a super-2 number, since 2×14540432315² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14540432317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454043227 + ... + 1454043236.

It is an arithmetic number, because the mean of its divisors is an integer number (4362129696).

Almost surely, 2^14540432315 is an apocalyptic number.

14540432315 is a deficient number, since it is larger than the sum of its proper divisors (2908086469).

14540432315 is an equidigital number, since it uses as much as digits as its factorization.

14540432315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908086468.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 14540432315 its reverse (51323404541), we get a palindrome (65863836856).

The spelling of 14540432315 in words is "fourteen billion, five hundred forty million, four hundred thirty-two thousand, three hundred fifteen".