147707844 has 12 divisors (see below), whose sum is σ = 344651664. Its totient is φ = 49235944.

The previous prime is 147707827. The next prime is 147707851. The reversal of 147707844 is 448707741.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 147707796 and 147707805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6154482 + ... + 6154505.

It is an arithmetic number, because the mean of its divisors is an integer number (28720972).

Almost surely, 2^147707844 is an apocalyptic number.

It is an amenable number.

147707844 is an abundant number, since it is smaller than the sum of its proper divisors (196943820).

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

147707844 is a wasteful number, since it uses less digits than its factorization.

147707844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12308994 (or 12308992 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 42.

The square root of 147707844 is about 12153.5115913056. The cubic root of 147707844 is about 528.6089593581.

The spelling of 147707844 in words is "one hundred forty-seven million, seven hundred seven thousand, eight hundred forty-four".