870242143 has 8 divisors (see below), whose sum is σ = 876751200. Its totient is φ = 863743200.

The previous prime is 870242119. The next prime is 870242171. The reversal of 870242143 is 341242078.

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 870242143 - 2¹⁷ = 870111071 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 (870242543) 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, 292821 + ... + 295777.

It is an arithmetic number, because the mean of its divisors is an integer number (109593900).

Almost surely, 2^870242143 is an apocalyptic number.

870242143 is a deficient number, since it is larger than the sum of its proper divisors (6509057).

870242143 is a wasteful number, since it uses less digits than its factorization.

870242143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 870242143 is about 29499.8668302079. The cubic root of 870242143 is about 954.7288295631.

The spelling of 870242143 in words is "eight hundred seventy million, two hundred forty-two thousand, one hundred forty-three".