854187142 has 8 divisors (see below), whose sum is σ = 1348716600. Its totient is φ = 404614944.

The previous prime is 854187101. The next prime is 854187149. The reversal of 854187142 is 241781458.

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

It is a junction number, because it is equal to n+sod(n) for n = 854187095 and 854187104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854187149) 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, 11239267 + ... + 11239342.

It is an arithmetic number, because the mean of its divisors is an integer number (168589575).

Almost surely, 2^854187142 is an apocalyptic number.

854187142 is a deficient number, since it is larger than the sum of its proper divisors (494529458).

854187142 is a wasteful number, since it uses less digits than its factorization.

854187142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22478630.

The product of its digits is 71680, while the sum is 40.

The square root of 854187142 is about 29226.4801507126. The cubic root of 854187142 is about 948.8211201584.

The spelling of 854187142 in words is "eight hundred fifty-four million, one hundred eighty-seven thousand, one hundred forty-two".