147987426 has 8 divisors (see below), whose sum is σ = 295974864. Its totient is φ = 49329140.

The previous prime is 147987419. The next prime is 147987439. The reversal of 147987426 is 624789741.

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

147987426 is an admirable number.

It is a Curzon 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, 12332280 + ... + 12332291.

It is an arithmetic number, because the mean of its divisors is an integer number (36996858).

Almost surely, 2^147987426 is an apocalyptic number.

147987426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147987426 is a wasteful number, since it uses less digits than its factorization.

147987426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24664576.

The product of its digits is 677376, while the sum is 48.

The square root of 147987426 is about 12165.0082614029. The cubic root of 147987426 is about 528.9422668712.

The spelling of 147987426 in words is "one hundred forty-seven million, nine hundred eighty-seven thousand, four hundred twenty-six".