845847142 has 16 divisors (see below), whose sum is σ = 1451577600. Its totient is φ = 362117448.

The previous prime is 845847113. The next prime is 845847143. The reversal of 845847142 is 241748548.

845847142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845847143) 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, 18642 + ... + 45157.

It is an arithmetic number, because the mean of its divisors is an integer number (90723600).

Almost surely, 2^845847142 is an apocalyptic number.

845847142 is a deficient number, since it is larger than the sum of its proper divisors (605730458).

845847142 is a wasteful number, since it uses less digits than its factorization.

845847142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64755.

The product of its digits is 286720, while the sum is 43.

The square root of 845847142 is about 29083.4513426450. The cubic root of 845847142 is about 945.7230236512.

The spelling of 845847142 in words is "eight hundred forty-five million, eight hundred forty-seven thousand, one hundred forty-two".