143451401551 has 2 divisors, whose sum is σ = 143451401552. Its totient is φ = 143451401550.

The previous prime is 143451401549. The next prime is 143451401567. The reversal of 143451401551 is 155104154341.

It is a weak prime.

It is an emirp because it is prime and its reverse (155104154341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143451401551 - 2¹ = 143451401549 is a prime.

Together with 143451401549, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143451401521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71725700775 + 71725700776.

It is an arithmetic number, because the mean of its divisors is an integer number (71725700776).

Almost surely, 2^143451401551 is an apocalyptic number.

143451401551 is a deficient number, since it is larger than the sum of its proper divisors (1).

143451401551 is an equidigital number, since it uses as much as digits as its factorization.

143451401551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 143451401551 its reverse (155104154341), we get a palindrome (298555555892).

The spelling of 143451401551 in words is "one hundred forty-three billion, four hundred fifty-one million, four hundred one thousand, five hundred fifty-one".