147205241 has 4 divisors (see below), whose sum is σ = 148143012. Its totient is φ = 146267472.

The previous prime is 147205183. The next prime is 147205249. The reversal of 147205241 is 142502741.

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 84732025 + 62473216 = 9205^2 + 7904^2 .

It is a cyclic number.

It is not a de Polignac number, because 147205241 - 2¹⁰ = 147204217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 147205241.

It is not an unprimeable number, because it can be changed into a prime (147205249) 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, 468650 + ... + 468963.

It is an arithmetic number, because the mean of its divisors is an integer number (37035753).

Almost surely, 2^147205241 is an apocalyptic number.

It is an amenable number.

147205241 is a deficient number, since it is larger than the sum of its proper divisors (937771).

147205241 is an equidigital number, since it uses as much as digits as its factorization.

147205241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937770.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 147205241 is about 12132.8166968763. The cubic root of 147205241 is about 528.0087150861.

Adding to 147205241 its reverse (142502741), we get a palindrome (289707982).

The spelling of 147205241 in words is "one hundred forty-seven million, two hundred five thousand, two hundred forty-one".