147428547 has 16 divisors (see below), whose sum is σ = 232400640. Its totient is φ = 81339552.

The previous prime is 147428513. The next prime is 147428569. The reversal of 147428547 is 745824741.

It is not a de Polignac number, because 147428547 - 2⁶ = 147428483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147428499 and 147428508.

It is not an unprimeable number, because it can be changed into a prime (147478547) 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, 120433 + ... + 121650.

It is an arithmetic number, because the mean of its divisors is an integer number (14525040).

Almost surely, 2^147428547 is an apocalyptic number.

147428547 is a deficient number, since it is larger than the sum of its proper divisors (84972093).

147428547 is a wasteful number, since it uses less digits than its factorization.

147428547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242122.

The product of its digits is 250880, while the sum is 42.

The square root of 147428547 is about 12142.0157716913. The cubic root of 147428547 is about 528.2755713991.

The spelling of 147428547 in words is "one hundred forty-seven million, four hundred twenty-eight thousand, five hundred forty-seven".