147055889 has 4 divisors (see below), whose sum is σ = 150642660. Its totient is φ = 143469120.

The previous prime is 147055879. The next prime is 147055913. The reversal of 147055889 is 988550741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 988550741 = 23 ⋅42980467.

It can be written as a sum of positive squares in 2 ways, for example, as 23668225 + 123387664 = 4865^2 + 11108^2 .

It is a cyclic number.

It is not a de Polignac number, because 147055889 - 2⁸ = 147055633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147055819) 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, 1793324 + ... + 1793405.

It is an arithmetic number, because the mean of its divisors is an integer number (37660665).

Almost surely, 2^147055889 is an apocalyptic number.

It is an amenable number.

147055889 is a deficient number, since it is larger than the sum of its proper divisors (3586771).

147055889 is an equidigital number, since it uses as much as digits as its factorization.

147055889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586770.

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 147055889 is about 12126.6602574658. The cubic root of 147055889 is about 527.8300850277.

The spelling of 147055889 in words is "one hundred forty-seven million, fifty-five thousand, eight hundred eighty-nine".