147729 has 8 divisors (see below), whose sum is σ = 205632. Its totient is φ = 94160.

The previous prime is 147727. The next prime is 147739. The reversal of 147729 is 927741.

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

It is a cyclic number.

It is not a de Polignac number, because 147729 - 2¹ = 147727 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 147696 and 147705.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147729.

It is not an unprimeable number, because it can be changed into a prime (147727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (25704).

2¹⁴⁷⁷²⁹ is an apocalyptic number.

It is an amenable number.

147729 is a deficient number, since it is larger than the sum of its proper divisors (57903).

147729 is a wasteful number, since it uses less digits than its factorization.

147729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167.

The product of its digits is 3528, while the sum is 30.

The square root of 147729 is about 384.3553043734. The cubic root of 147729 is about 52.8634195475.

The spelling of 147729 in words is "one hundred forty-seven thousand, seven hundred twenty-nine".