155214140143 has 2 divisors, whose sum is σ = 155214140144. Its totient is φ = 155214140142.

The previous prime is 155214140131. The next prime is 155214140203. The reversal of 155214140143 is 341041412551.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155214140143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155214140243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77607070071 + 77607070072.

It is an arithmetic number, because the mean of its divisors is an integer number (77607070072).

Almost surely, 2^155214140143 is an apocalyptic number.

155214140143 is a deficient number, since it is larger than the sum of its proper divisors (1).

155214140143 is an equidigital number, since it uses as much as digits as its factorization.

155214140143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 155214140143 its reverse (341041412551), we get a palindrome (496255552694).

The spelling of 155214140143 in words is "one hundred fifty-five billion, two hundred fourteen million, one hundred forty thousand, one hundred forty-three".