143279057 has 16 divisors (see below), whose sum is σ = 154365120. Its totient is φ = 132580800.

The previous prime is 143279041. The next prime is 143279089. The reversal of 143279057 is 750972341.

It is a cyclic number.

It is not a de Polignac number, because 143279057 - 2⁴ = 143279041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143279057.

It is not an unprimeable number, because it can be changed into a prime (143279027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209438 + ... + 210120.

It is an arithmetic number, because the mean of its divisors is an integer number (9647820).

Almost surely, 2^143279057 is an apocalyptic number.

It is an amenable number.

143279057 is a deficient number, since it is larger than the sum of its proper divisors (11086063).

143279057 is a wasteful number, since it uses less digits than its factorization.

143279057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 143279057 is about 11969.9230156255. The cubic root of 143279057 is about 523.2720903717.

The spelling of 143279057 in words is "one hundred forty-three million, two hundred seventy-nine thousand, fifty-seven".