147147 has 32 divisors (see below), whose sum is σ = 268800. Its totient is φ = 70560.

The previous prime is 147139. The next prime is 147151. The reversal of 147147 is 741741.

It is not a de Polignac number, because 147147 - 2³ = 147139 is a prime.

147147 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11313 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (8400).

2¹⁴⁷¹⁴⁷ is an apocalyptic number.

147147 is a deficient number, since it is larger than the sum of its proper divisors (121653).

147147 is a wasteful number, since it uses less digits than its factorization.

147147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48 (or 34 counting only the distinct ones).

The product of its digits is 784, while the sum is 24.

The square root of 147147 is about 383.5974452470. The cubic root of 147147 is about 52.7939071252.

Adding to 147147 its reverse (741741), we get a palindrome (888888).

The spelling of 147147 in words is "one hundred forty-seven thousand, one hundred forty-seven", and thus it is an iban number.