147821794576 has 45 divisors (see below), whose sum is σ = 288273163269. Its totient is φ = 73431840192.

The previous prime is 147821794553. The next prime is 147821794609. The reversal of 147821794576 is 675497128741.

It is a happy number.

The square root of 147821794576 is 384476.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 25478544400 + 122343250176 = 159620^2 + 349776^2 .

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 425999235 + ... + 425999581.

Almost surely, 2^147821794576 is an apocalyptic number.

147821794576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

147821794576 is the 384476-th square number.

It is an amenable number.

147821794576 is a deficient number, since it is larger than the sum of its proper divisors (140451368693).

147821794576 is an frugal number, since it uses more digits than its factorization.

147821794576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256 (or 626 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 61.

The spelling of 147821794576 in words is "one hundred forty-seven billion, eight hundred twenty-one million, seven hundred ninety-four thousand, five hundred seventy-six".