1214145143 has 2 divisors, whose sum is σ = 1214145144. Its totient is φ = 1214145142.

The previous prime is 1214145113. The next prime is 1214145169. The reversal of 1214145143 is 3415414121.

It is an a-pointer prime, because the next prime (1214145169) can be obtained adding 1214145143 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214145143 - 2⁸ = 1214144887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214145103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607072571 + 607072572.

It is an arithmetic number, because the mean of its divisors is an integer number (607072572).

Almost surely, 2^1214145143 is an apocalyptic number.

1214145143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214145143 is an equidigital number, since it uses as much as digits as its factorization.

1214145143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 1214145143 is about 34844.5855621788. The cubic root of 1214145143 is about 1066.8176745952.

Adding to 1214145143 its reverse (3415414121), we get a palindrome (4629559264).

The spelling of 1214145143 in words is "one billion, two hundred fourteen million, one hundred forty-five thousand, one hundred forty-three".