147415247 has 8 divisors (see below), whose sum is σ = 168563616. Its totient is φ = 126289152.

The previous prime is 147415237. The next prime is 147415249. The reversal of 147415247 is 742514741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147415247 - 2⁶ = 147415183 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 (147415249) 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 7 ways as a sum of consecutive naturals, for example, 12563 + ... + 21275.

It is an arithmetic number, because the mean of its divisors is an integer number (21070452).

Almost surely, 2^147415247 is an apocalyptic number.

147415247 is a deficient number, since it is larger than the sum of its proper divisors (21148369).

147415247 is an equidigital number, since it uses as much as digits as its factorization.

147415247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137.

The product of its digits is 31360, while the sum is 35.

The square root of 147415247 is about 12141.4680743310. The cubic root of 147415247 is about 528.2596851126.

Adding to 147415247 its reverse (742514741), we get a palindrome (889929988).

The spelling of 147415247 in words is "one hundred forty-seven million, four hundred fifteen thousand, two hundred forty-seven".