143247647674 has 16 divisors (see below), whose sum is σ = 216792146088. Its totient is φ = 70983711232.

The previous prime is 143247647657. The next prime is 143247647693. The reversal of 143247647674 is 476746742341.

143247647674 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 136703970225 + 6543677449 = 369735^2 + 80893^2 .

It is a super-2 number, since 2×143247647674² (a number of 23 digits) contains 22 as substring.

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, 3536424 + ... + 3576700.

Almost surely, 2^143247647674 is an apocalyptic number.

143247647674 is a deficient number, since it is larger than the sum of its proper divisors (73544498414).

143247647674 is a wasteful number, since it uses less digits than its factorization.

143247647674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56129.

The product of its digits is 18966528, while the sum is 55.

The spelling of 143247647674 in words is "one hundred forty-three billion, two hundred forty-seven million, six hundred forty-seven thousand, six hundred seventy-four".