143242541613 has 8 divisors (see below), whose sum is σ = 212211172800. Its totient is φ = 95495027724.

The previous prime is 143242541609. The next prime is 143242541693. The reversal of 143242541613 is 316145242341.

143242541613 is a `hidden beast` number, since 1 + 4 + 32 + 4 + 2 + 5 + 4 + 1 + 613 = 666.

It is not a de Polignac number, because 143242541613 - 2² = 143242541609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143242541693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652639633 + ... + 2652639686.

It is an arithmetic number, because the mean of its divisors is an integer number (26526396600).

Almost surely, 2^143242541613 is an apocalyptic number.

It is an amenable number.

143242541613 is a deficient number, since it is larger than the sum of its proper divisors (68968631187).

143242541613 is an equidigital number, since it uses as much as digits as its factorization.

143242541613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305279328 (or 5305279322 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

Adding to 143242541613 its reverse (316145242341), we get a palindrome (459387783954).

The spelling of 143242541613 in words is "one hundred forty-three billion, two hundred forty-two million, five hundred forty-one thousand, six hundred thirteen".