147857284 has 12 divisors (see below), whose sum is σ = 258905808. Its totient is φ = 73884200.

The previous prime is 147857267. The next prime is 147857293. The reversal of 147857284 is 482758741.

147857284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2962 + ... + 17449.

It is an arithmetic number, because the mean of its divisors is an integer number (21575484).

Almost surely, 2^147857284 is an apocalyptic number.

It is an amenable number.

147857284 is a deficient number, since it is larger than the sum of its proper divisors (111048524).

147857284 is a wasteful number, since it uses less digits than its factorization.

147857284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226 (or 22224 counting only the distinct ones).

The product of its digits is 501760, while the sum is 46.

The square root of 147857284 is about 12159.6580544027. The cubic root of 147857284 is about 528.7871685742.

It can be divided in two parts, 1478572 and 84, that added together give a square (1478656 = 1216²).

The spelling of 147857284 in words is "one hundred forty-seven million, eight hundred fifty-seven thousand, two hundred eighty-four".