147145688 has 16 divisors (see below), whose sum is σ = 278631360. Its totient is φ = 72844000.

The previous prime is 147145667. The next prime is 147145711. The reversal of 147145688 is 886541741.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90248 + ... + 91863.

It is an arithmetic number, because the mean of its divisors is an integer number (17414460).

Almost surely, 2^147145688 is an apocalyptic number.

It is an amenable number.

147145688 is a deficient number, since it is larger than the sum of its proper divisors (131485672).

147145688 is a wasteful number, since it uses less digits than its factorization.

147145688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182218 (or 182214 counting only the distinct ones).

The product of its digits is 215040, while the sum is 44.

The square root of 147145688 is about 12130.3622369656. The cubic root of 147145688 is about 527.9375021680.

It can be divided in two parts, 14714 and 5688, that added together give a palindrome (20402).

The spelling of 147145688 in words is "one hundred forty-seven million, one hundred forty-five thousand, six hundred eighty-eight".