147528189 has 8 divisors (see below), whose sum is σ = 218560320. Its totient is φ = 98352108.

The previous prime is 147528181. The next prime is 147528197. The reversal of 147528189 is 981825741.

147528189 is a `hidden beast` number, since 1 + 47 + 528 + 1 + 89 = 666.

It is an interprime number because it is at equal distance from previous prime (147528181) and next prime (147528197).

It is not a de Polignac number, because 147528189 - 2³ = 147528181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147528181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731977 + ... + 2732030.

It is an arithmetic number, because the mean of its divisors is an integer number (27320040).

Almost surely, 2^147528189 is an apocalyptic number.

It is an amenable number.

147528189 is a deficient number, since it is larger than the sum of its proper divisors (71032131).

147528189 is an equidigital number, since it uses as much as digits as its factorization.

147528189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5464016 (or 5464010 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 147528189 is about 12146.1182688133. The cubic root of 147528189 is about 528.3945591645.

The spelling of 147528189 in words is "one hundred forty-seven million, five hundred twenty-eight thousand, one hundred eighty-nine".