147909830 has 8 divisors (see below), whose sum is σ = 266237712. Its totient is φ = 59163928.

The previous prime is 147909829. The next prime is 147909847. The reversal of 147909830 is 38909741.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7395482 + ... + 7395501.

It is an arithmetic number, because the mean of its divisors is an integer number (33279714).

Almost surely, 2^147909830 is an apocalyptic number.

147909830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147909830 is a deficient number, since it is larger than the sum of its proper divisors (118327882).

147909830 is a wasteful number, since it uses less digits than its factorization.

147909830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14790990.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 147909830 is about 12161.8185317822. The cubic root of 147909830 is about 528.8498018535.

The spelling of 147909830 in words is "one hundred forty-seven million, nine hundred nine thousand, eight hundred thirty".