143780905377 has 6 divisors (see below), whose sum is σ = 207683530002. Its totient is φ = 95853936912.

The previous prime is 143780905357. The next prime is 143780905379. The reversal of 143780905377 is 773509087341.

143780905377 is a `hidden beast` number, since 1 + 437 + 8 + 0 + 90 + 53 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 137521563921 + 6259341456 = 370839^2 + 79116^2 .

It is not a de Polignac number, because 143780905377 - 2¹⁰ = 143780904353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143780905379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7987828068 + ... + 7987828085.

It is an arithmetic number, because the mean of its divisors is an integer number (34613921667).

Almost surely, 2^143780905377 is an apocalyptic number.

It is an amenable number.

143780905377 is a deficient number, since it is larger than the sum of its proper divisors (63902624625).

143780905377 is a wasteful number, since it uses less digits than its factorization.

143780905377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15975656159 (or 15975656156 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 143780905377 in words is "one hundred forty-three billion, seven hundred eighty million, nine hundred five thousand, three hundred seventy-seven".