858254245 has 8 divisors (see below), whose sum is σ = 1030348800. Its totient is φ = 686307600.

The previous prime is 858254239. The next prime is 858254273. The reversal of 858254245 is 542452858.

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

It is not a de Polignac number, because 858254245 - 2²⁷ = 724036517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23781 + ... + 47770.

It is an arithmetic number, because the mean of its divisors is an integer number (128793600).

Almost surely, 2^858254245 is an apocalyptic number.

It is an amenable number.

858254245 is a deficient number, since it is larger than the sum of its proper divisors (172094555).

858254245 is a wasteful number, since it uses less digits than its factorization.

858254245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73955.

The product of its digits is 512000, while the sum is 43.

The square root of 858254245 is about 29295.9766008918. The cubic root of 858254245 is about 950.3246332829.

The spelling of 858254245 in words is "eight hundred fifty-eight million, two hundred fifty-four thousand, two hundred forty-five".