143113557 has 8 divisors (see below), whose sum is σ = 191369376. Its totient is φ = 95133392.

The previous prime is 143113549. The next prime is 143113559. The reversal of 143113557 is 755311341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143113557 - 2³ = 143113549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143113559) 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, 67698 + ... + 69779.

It is an arithmetic number, because the mean of its divisors is an integer number (23921172).

Almost surely, 2^143113557 is an apocalyptic number.

It is an amenable number.

143113557 is a deficient number, since it is larger than the sum of its proper divisors (48255819).

143113557 is a wasteful number, since it uses less digits than its factorization.

143113557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137827.

The product of its digits is 6300, while the sum is 30.

The square root of 143113557 is about 11963.0078575582. The cubic root of 143113557 is about 523.0705375457.

Adding to 143113557 its reverse (755311341), we get a palindrome (898424898).

The spelling of 143113557 in words is "one hundred forty-three million, one hundred thirteen thousand, five hundred fifty-seven".