147304509 has 8 divisors (see below), whose sum is σ = 214261152. Its totient is φ = 89275440.

The previous prime is 147304477. The next prime is 147304517. The reversal of 147304509 is 905403741.

147304509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 147304509 - 2⁵ = 147304477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4463773 = 147304509 / (1 + 4 + 7 + 3 + 0 + 4 + 5 + 0 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 147304509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147304559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2231854 + ... + 2231919.

It is an arithmetic number, because the mean of its divisors is an integer number (26782644).

Almost surely, 2^147304509 is an apocalyptic number.

It is an amenable number.

147304509 is a deficient number, since it is larger than the sum of its proper divisors (66956643).

147304509 is a wasteful number, since it uses less digits than its factorization.

147304509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4463787.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 147304509 is about 12136.9068959105. The cubic root of 147304509 is about 528.1273761503.

The spelling of 147304509 in words is "one hundred forty-seven million, three hundred four thousand, five hundred nine".