147997852 has 12 divisors (see below), whose sum is σ = 274231440. Its totient is φ = 69646016.

The previous prime is 147997849. The next prime is 147997853. The reversal of 147997852 is 258799741.

It is a super-2 number, since 2×147997852² = 43806728393227808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 147997852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147997853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1088152 + ... + 1088287.

It is an arithmetic number, because the mean of its divisors is an integer number (22852620).

Almost surely, 2^147997852 is an apocalyptic number.

It is an amenable number.

147997852 is a deficient number, since it is larger than the sum of its proper divisors (126233588).

147997852 is a wasteful number, since it uses less digits than its factorization.

147997852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176460 (or 2176458 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 52.

The square root of 147997852 is about 12165.4367780199. The cubic root of 147997852 is about 528.9546882477.

The spelling of 147997852 in words is "one hundred forty-seven million, nine hundred ninety-seven thousand, eight hundred fifty-two".