147216297 has 4 divisors (see below), whose sum is σ = 196288400. Its totient is φ = 98144196.

The previous prime is 147216259. The next prime is 147216301. The reversal of 147216297 is 792612741.

147216297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 147216297 - 2¹² = 147212201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147216217) 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, 24536047 + ... + 24536052.

It is an arithmetic number, because the mean of its divisors is an integer number (49072100).

Almost surely, 2^147216297 is an apocalyptic number.

It is an amenable number.

147216297 is a deficient number, since it is larger than the sum of its proper divisors (49072103).

147216297 is an equidigital number, since it uses as much as digits as its factorization.

147216297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49072102.

The product of its digits is 42336, while the sum is 39.

The square root of 147216297 is about 12133.2723121176. The cubic root of 147216297 is about 528.0219336331.

The spelling of 147216297 in words is "one hundred forty-seven million, two hundred sixteen thousand, two hundred ninety-seven".