143981509042 has 8 divisors (see below), whose sum is σ = 246825444096. Its totient is φ = 61706361012.

The previous prime is 143981509031. The next prime is 143981509073. The reversal of 143981509042 is 240905189341.

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

It is a junction number, because it is equal to n+sod(n) for n = 143981508983 and 143981509001.

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, 5142196738 + ... + 5142196765.

It is an arithmetic number, because the mean of its divisors is an integer number (30853180512).

Almost surely, 2^143981509042 is an apocalyptic number.

143981509042 is a deficient number, since it is larger than the sum of its proper divisors (102843935054).

143981509042 is a wasteful number, since it uses less digits than its factorization.

143981509042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10284393512.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 143981509042 in words is "one hundred forty-three billion, nine hundred eighty-one million, five hundred nine thousand, forty-two".