143279359957 has 4 divisors (see below), whose sum is σ = 143490999276. Its totient is φ = 143067720640.

The previous prime is 143279359943. The next prime is 143279359963. The reversal of 143279359957 is 759953972341.

143279359957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 759953972341 = 383 ⋅1984214027.

It can be written as a sum of positive squares in 2 ways, for example, as 136161738001 + 7117621956 = 369001^2 + 84366^2 .

It is a cyclic number.

It is not a de Polignac number, because 143279359957 - 2²⁷ = 143145142229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143279359997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105818644 + ... + 105819997.

It is an arithmetic number, because the mean of its divisors is an integer number (35872749819).

Almost surely, 2^143279359957 is an apocalyptic number.

It is an amenable number.

143279359957 is a deficient number, since it is larger than the sum of its proper divisors (211639319).

143279359957 is an equidigital number, since it uses as much as digits as its factorization.

143279359957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211639318.

The product of its digits is 64297800, while the sum is 64.

The spelling of 143279359957 in words is "one hundred forty-three billion, two hundred seventy-nine million, three hundred fifty-nine thousand, nine hundred fifty-seven".