143142422551 has 16 divisors (see below), whose sum is σ = 158210677440. Its totient is φ = 128932231680.

The previous prime is 143142422543. The next prime is 143142422569. The reversal of 143142422551 is 155224241341.

It is a cyclic number.

It is not a de Polignac number, because 143142422551 - 2³ = 143142422543 is a prime.

It is a super-3 number, since 3×143142422551³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143142423551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1826971 + ... + 1903708.

It is an arithmetic number, because the mean of its divisors is an integer number (9888167340).

Almost surely, 2^143142422551 is an apocalyptic number.

143142422551 is a deficient number, since it is larger than the sum of its proper divisors (15068254889).

143142422551 is a wasteful number, since it uses less digits than its factorization.

143142422551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730794.

The product of its digits is 38400, while the sum is 34.

Adding to 143142422551 its reverse (155224241341), we get a palindrome (298366663892).

The spelling of 143142422551 in words is "one hundred forty-three billion, one hundred forty-two million, four hundred twenty-two thousand, five hundred fifty-one".