147244821775 has 6 divisors (see below), whose sum is σ = 182583579032. Its totient is φ = 117795857400.

The previous prime is 147244821679. The next prime is 147244821793. The reversal of 147244821775 is 577128442741.

It is not a de Polignac number, because 147244821775 - 2²¹ = 147242724623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2944896411 + ... + 2944896460.

Almost surely, 2^147244821775 is an apocalyptic number.

147244821775 is a deficient number, since it is larger than the sum of its proper divisors (35338757257).

147244821775 is an equidigital number, since it uses as much as digits as its factorization.

147244821775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889792881 (or 5889792876 counting only the distinct ones).

The product of its digits is 3512320, while the sum is 52.

The spelling of 147244821775 in words is "one hundred forty-seven billion, two hundred forty-four million, eight hundred twenty-one thousand, seven hundred seventy-five".