147380294881 has 4 divisors (see below), whose sum is σ = 151363546132. Its totient is φ = 143397043632.

The previous prime is 147380294863. The next prime is 147380294909. The reversal of 147380294881 is 188492083741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68980294881 + 78400000000 = 262641^2 + 280000^2 .

It is a cyclic number.

It is not a de Polignac number, because 147380294881 - 2³⁵ = 113020556513 is a prime.

It is a super-2 number, since 2×147380294881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147380294801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991625570 + ... + 1991625643.

It is an arithmetic number, because the mean of its divisors is an integer number (37840886533).

Almost surely, 2^147380294881 is an apocalyptic number.

It is an amenable number.

147380294881 is a deficient number, since it is larger than the sum of its proper divisors (3983251251).

147380294881 is an equidigital number, since it uses as much as digits as its factorization.

147380294881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983251250.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 147380294881 in words is "one hundred forty-seven billion, three hundred eighty million, two hundred ninety-four thousand, eight hundred eighty-one".