147855983 has 8 divisors (see below), whose sum is σ = 168310656. Its totient is φ = 128570200.

The previous prime is 147855977. The next prime is 147855989. The reversal of 147855983 is 389558741.

It is an interprime number because it is at equal distance from previous prime (147855977) and next prime (147855989).

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

It is not a de Polignac number, because 147855983 - 2²⁴ = 131078767 is a prime.

It is a super-2 number, since 2×147855983² = 43722783417792578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147855989) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 291953 + ... + 292458.

It is an arithmetic number, because the mean of its divisors is an integer number (21038832).

Almost surely, 2^147855983 is an apocalyptic number.

147855983 is a deficient number, since it is larger than the sum of its proper divisors (20454673).

147855983 is a wasteful number, since it uses less digits than its factorization.

147855983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584445.

The product of its digits is 1209600, while the sum is 50.

The square root of 147855983 is about 12159.6045577149. The cubic root of 147855983 is about 528.7856176325.

The spelling of 147855983 in words is "one hundred forty-seven million, eight hundred fifty-five thousand, nine hundred eighty-three".