147420009 has 24 divisors (see below), whose sum is σ = 232970400. Its totient is φ = 89087040.

The previous prime is 147420001. The next prime is 147420011. The reversal of 147420009 is 900024741.

It is a happy number.

147420009 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 147420009 - 2³ = 147420001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147420001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35557 + ... + 39485.

It is an arithmetic number, because the mean of its divisors is an integer number (9707100).

Almost surely, 2^147420009 is an apocalyptic number.

It is an amenable number.

147420009 is a deficient number, since it is larger than the sum of its proper divisors (85550391).

147420009 is a wasteful number, since it uses less digits than its factorization.

147420009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4322 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 147420009 is about 12141.6641775335. The cubic root of 147420009 is about 528.2653732296.

The spelling of 147420009 in words is "one hundred forty-seven million, four hundred twenty thousand, nine".