143978981348 has 12 divisors (see below), whose sum is σ = 266784583212. Its totient is φ = 67754814720.

The previous prime is 143978981327. The next prime is 143978981357. The reversal of 143978981348 is 843189879341.

It can be written as a sum of positive squares in 2 ways, for example, as 126651997924 + 17326983424 = 355882^2 + 131632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058668913 + ... + 1058669048.

It is an arithmetic number, because the mean of its divisors is an integer number (22232048601).

Almost surely, 2^143978981348 is an apocalyptic number.

It is an amenable number.

143978981348 is a deficient number, since it is larger than the sum of its proper divisors (122805601864).

143978981348 is a wasteful number, since it uses less digits than its factorization.

143978981348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117337982 (or 2117337980 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 65.

The spelling of 143978981348 in words is "one hundred forty-three billion, nine hundred seventy-eight million, nine hundred eighty-one thousand, three hundred forty-eight".