143987674 has 8 divisors (see below), whose sum is σ = 216498240. Its totient is φ = 71821596.

The previous prime is 143987663. The next prime is 143987687. The reversal of 143987674 is 476789341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 85074 + ... + 86749.

It is an arithmetic number, because the mean of its divisors is an integer number (27062280).

Almost surely, 2^143987674 is an apocalyptic number.

143987674 is a deficient number, since it is larger than the sum of its proper divisors (72510566).

143987674 is a wasteful number, since it uses less digits than its factorization.

143987674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172244.

The product of its digits is 1016064, while the sum is 49.

The square root of 143987674 is about 11999.4864056759. The cubic root of 143987674 is about 524.1333232028.

The spelling of 143987674 in words is "one hundred forty-three million, nine hundred eighty-seven thousand, six hundred seventy-four".