147144852 has 18 divisors (see below), whose sum is σ = 371949578. Its totient is φ = 49048272.

The previous prime is 147144821. The next prime is 147144853. The reversal of 147144852 is 258441741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147039876 + 104976 = 12126^2 + 324^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4087357 = 147144852 / (1 + 4 + 7 + 1 + 4 + 4 + 8 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147144853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2043643 + ... + 2043714.

Almost surely, 2^147144852 is an apocalyptic number.

147144852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147144852 is an abundant number, since it is smaller than the sum of its proper divisors (224804726).

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

147144852 is a wasteful number, since it uses less digits than its factorization.

147144852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087367 (or 4087362 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 147144852 is about 12130.3277779292. The cubic root of 147144852 is about 527.9365023503.

The spelling of 147144852 in words is "one hundred forty-seven million, one hundred forty-four thousand, eight hundred fifty-two".