147285729 has 16 divisors (see below), whose sum is σ = 218687040. Its totient is φ = 97971840.

The previous prime is 147285713. The next prime is 147285769. The reversal of 147285729 is 927582741.

It is a happy number.

147285729 is a `hidden beast` number, since 1 + 4 + 72 + 8 + 572 + 9 = 666.

147285729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147285729 - 2⁴ = 147285713 is a prime.

It is a super-2 number, since 2×147285729² = 43386171934122882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (147285709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6769 + ... + 18449.

It is an arithmetic number, because the mean of its divisors is an integer number (13667940).

Almost surely, 2^147285729 is an apocalyptic number.

It is an amenable number.

147285729 is a deficient number, since it is larger than the sum of its proper divisors (71401311).

147285729 is a wasteful number, since it uses less digits than its factorization.

147285729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12157 (or 12151 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 147285729 is about 12136.1331980166. The cubic root of 147285729 is about 528.1049313663.

The spelling of 147285729 in words is "one hundred forty-seven million, two hundred eighty-five thousand, seven hundred twenty-nine".