147984109 has 32 divisors (see below), whose sum is σ = 188987904. Its totient is φ = 112769280.

The previous prime is 147984107. The next prime is 147984149. The reversal of 147984109 is 901489741.

147984109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 147984109 - 2¹ = 147984107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147984107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293952 + ... + 294454.

It is an arithmetic number, because the mean of its divisors is an integer number (5905872).

Almost surely, 2^147984109 is an apocalyptic number.

It is an amenable number.

147984109 is a deficient number, since it is larger than the sum of its proper divisors (41003795).

147984109 is a wasteful number, since it uses less digits than its factorization.

147984109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 147984109 is about 12164.8719269871. The cubic root of 147984109 is about 528.9383149260.

The spelling of 147984109 in words is "one hundred forty-seven million, nine hundred eighty-four thousand, one hundred nine".