14531147 has 4 divisors (see below), whose sum is σ = 15162960. Its totient is φ = 13899336.

The previous prime is 14531129. The next prime is 14531149. The reversal of 14531147 is 74113541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74113541 = 653 ⋅113497.

It is a cyclic number.

It is not a de Polignac number, because 14531147 - 2¹⁰ = 14530123 is a prime.

It is a super-4 number, since 4×14531147⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14531149) 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, 315872 + ... + 315917.

It is an arithmetic number, because the mean of its divisors is an integer number (3790740).

Almost surely, 2^14531147 is an apocalyptic number.

14531147 is a deficient number, since it is larger than the sum of its proper divisors (631813).

14531147 is an equidigital number, since it uses as much as digits as its factorization.

14531147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631812.

The product of its digits is 1680, while the sum is 26.

The square root of 14531147 is about 3811.9741604581. The cubic root of 14531147 is about 244.0244253520.

Adding to 14531147 its reverse (74113541), we get a palindrome (88644688).

The spelling of 14531147 in words is "fourteen million, five hundred thirty-one thousand, one hundred forty-seven".