147544213 has 4 divisors (see below), whose sum is σ = 148850028. Its totient is φ = 146238400.

The previous prime is 147544193. The next prime is 147544217. The reversal of 147544213 is 312445741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33097009 + 114447204 = 5753^2 + 10698^2 .

It is a cyclic number.

It is not a de Polignac number, because 147544213 - 2⁵ = 147544181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147544217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652738 + ... + 652963.

It is an arithmetic number, because the mean of its divisors is an integer number (37212507).

Almost surely, 2^147544213 is an apocalyptic number.

It is an amenable number.

147544213 is a deficient number, since it is larger than the sum of its proper divisors (1305815).

147544213 is a wasteful number, since it uses less digits than its factorization.

147544213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305814.

The product of its digits is 13440, while the sum is 31.

The square root of 147544213 is about 12146.7778855135. Note that the first 3 decimals coincide. The cubic root of 147544213 is about 528.4136892664.

Adding to 147544213 its reverse (312445741), we get a palindrome (459989954).

The spelling of 147544213 in words is "one hundred forty-seven million, five hundred forty-four thousand, two hundred thirteen".