143857145 has 16 divisors (see below), whose sum is σ = 187038720. Its totient is φ = 105794304.

The previous prime is 143857127. The next prime is 143857187. The reversal of 143857145 is 541758341.

143857145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 143857145 - 2¹² = 143853049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143857099 and 143857108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16025 + ... + 23334.

It is an arithmetic number, because the mean of its divisors is an integer number (11689920).

Almost surely, 2^143857145 is an apocalyptic number.

It is an amenable number.

143857145 is a deficient number, since it is larger than the sum of its proper divisors (43181575).

143857145 is a wasteful number, since it uses less digits than its factorization.

143857145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39424.

The product of its digits is 67200, while the sum is 38.

The square root of 143857145 is about 11994.0462313600. The cubic root of 143857145 is about 523.9748946366.

The spelling of 143857145 in words is "one hundred forty-three million, eight hundred fifty-seven thousand, one hundred forty-five".