147207489 has 16 divisors (see below), whose sum is σ = 230591424. Its totient is φ = 82353600.

The previous prime is 147207449. The next prime is 147207517. The reversal of 147207489 is 984702741.

It is a happy number.

It is not a de Polignac number, because 147207489 - 2¹¹ = 147205441 is a prime.

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 147207489.

It is not an unprimeable number, because it can be changed into a prime (147207449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171142 + ... + 171999.

It is an arithmetic number, because the mean of its divisors is an integer number (14411964).

Almost surely, 2^147207489 is an apocalyptic number.

It is an amenable number.

147207489 is a deficient number, since it is larger than the sum of its proper divisors (83383935).

147207489 is a wasteful number, since it uses less digits than its factorization.

147207489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343168.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 147207489 is about 12132.9093378299. The cubic root of 147207489 is about 528.0114028472.

It can be divided in two parts, 147207 and 489, that added together give a triangular number (147696 = T₅₄₃).

The spelling of 147207489 in words is "one hundred forty-seven million, two hundred seven thousand, four hundred eighty-nine".