143859157 has 4 divisors (see below), whose sum is σ = 154925260. Its totient is φ = 132793056.

The previous prime is 143859143. The next prime is 143859187. The reversal of 143859157 is 751958341.

143859157 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: 751958341 = 503 ⋅1494947.

It can be written as a sum of positive squares in 2 ways, for example, as 19000881 + 124858276 = 4359^2 + 11174^2 .

It is a cyclic number.

It is not a de Polignac number, because 143859157 - 2⁷ = 143859029 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 (143859187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5533032 + ... + 5533057.

It is an arithmetic number, because the mean of its divisors is an integer number (38731315).

Almost surely, 2^143859157 is an apocalyptic number.

It is an amenable number.

143859157 is a deficient number, since it is larger than the sum of its proper divisors (11066103).

143859157 is a wasteful number, since it uses less digits than its factorization.

143859157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11066102.

The product of its digits is 151200, while the sum is 43.

The square root of 143859157 is about 11994.1301060144. The cubic root of 143859157 is about 523.9773374131.

The spelling of 143859157 in words is "one hundred forty-three million, eight hundred fifty-nine thousand, one hundred fifty-seven".