147200821144 has 96 divisors (see below), whose sum is σ = 316943014320. Its totient is φ = 63842009088.

The previous prime is 147200821139. The next prime is 147200821147. The reversal of 147200821144 is 441128002741.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147200821147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15693384 + ... + 15702760.

Almost surely, 2^147200821144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147200821144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158471507160).

147200821144 is an abundant number, since it is smaller than the sum of its proper divisors (169742193176).

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

147200821144 is a wasteful number, since it uses less digits than its factorization.

147200821144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10109 (or 10092 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

Adding to 147200821144 its reverse (441128002741), we get a palindrome (588328823885).

The spelling of 147200821144 in words is "one hundred forty-seven billion, two hundred million, eight hundred twenty-one thousand, one hundred forty-four".