147024509 has 2 divisors, whose sum is σ = 147024510. Its totient is φ = 147024508.

The previous prime is 147024503. The next prime is 147024511. The reversal of 147024509 is 905420741.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116532025 + 30492484 = 10795^2 + 5522^2 .

It is a cyclic number.

It is not a de Polignac number, because 147024509 - 2¹² = 147020413 is a prime.

Together with 147024511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147024503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73512254 + 73512255.

It is an arithmetic number, because the mean of its divisors is an integer number (73512255).

Almost surely, 2^147024509 is an apocalyptic number.

It is an amenable number.

147024509 is a deficient number, since it is larger than the sum of its proper divisors (1).

147024509 is an equidigital number, since it uses as much as digits as its factorization.

147024509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 147024509 is about 12125.3663449811. The cubic root of 147024509 is about 527.7925381094.

The spelling of 147024509 in words is "one hundred forty-seven million, twenty-four thousand, five hundred nine".