147729238 has 8 divisors (see below), whose sum is σ = 224901432. Its totient is φ = 72762096.

The previous prime is 147729233. The next prime is 147729301. The reversal of 147729238 is 832927741.

147729238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 147729194 and 147729203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147729233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551095 + ... + 551362.

It is an arithmetic number, because the mean of its divisors is an integer number (28112679).

Almost surely, 2^147729238 is an apocalyptic number.

147729238 is a deficient number, since it is larger than the sum of its proper divisors (77172194).

147729238 is a wasteful number, since it uses less digits than its factorization.

147729238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102526.

The product of its digits is 169344, while the sum is 43.

The square root of 147729238 is about 12154.3917165772. The cubic root of 147729238 is about 528.6344793617.

The spelling of 147729238 in words is "one hundred forty-seven million, seven hundred twenty-nine thousand, two hundred thirty-eight".