147786561448 has 32 divisors (see below), whose sum is σ = 294077505960. Its totient is φ = 69385973760.

The previous prime is 147786561437. The next prime is 147786561451. The reversal of 147786561448 is 844165687741.

147786561448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 139055901604 + 8730659844 = 372902^2 + 93438^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195923 + ... + 1313698.

Almost surely, 2^147786561448 is an apocalyptic number.

It is an amenable number.

147786561448 is a deficient number, since it is larger than the sum of its proper divisors (146290944512).

147786561448 is a wasteful number, since it uses less digits than its factorization.

147786561448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510077 (or 2510073 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 61.

The spelling of 147786561448 in words is "one hundred forty-seven billion, seven hundred eighty-six million, five hundred sixty-one thousand, four hundred forty-eight".