1214144143 has 8 divisors (see below), whose sum is σ = 1220443200. Its totient is φ = 1207858848.

The previous prime is 1214144123. The next prime is 1214144161. The reversal of 1214144143 is 3414414121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214144143 - 2²¹ = 1212046991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214144123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205018 + ... + 210856.

It is an arithmetic number, because the mean of its divisors is an integer number (152555400).

Almost surely, 2^1214144143 is an apocalyptic number.

1214144143 is a deficient number, since it is larger than the sum of its proper divisors (6299057).

1214144143 is an equidigital number, since it uses as much as digits as its factorization.

1214144143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its digits is 1536, while the sum is 25.

The square root of 1214144143 is about 34844.5712127442. The cubic root of 1214144143 is about 1066.8173817093.

Adding to 1214144143 its reverse (3414414121), we get a palindrome (4628558264).

The spelling of 1214144143 in words is "one billion, two hundred fourteen million, one hundred forty-four thousand, one hundred forty-three".