143442047 has 8 divisors (see below), whose sum is σ = 164052000. Its totient is φ = 122861664.

The previous prime is 143442043. The next prime is 143442059. The reversal of 143442047 is 740244341.

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

It is a cyclic number.

It is not a de Polignac number, because 143442047 - 2² = 143442043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143442043) 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 7 ways as a sum of consecutive naturals, for example, 4229 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (20506500).

Almost surely, 2^143442047 is an apocalyptic number.

143442047 is a deficient number, since it is larger than the sum of its proper divisors (20609953).

143442047 is a wasteful number, since it uses less digits than its factorization.

143442047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14785.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 143442047 is about 11976.7293949559. The cubic root of 143442047 is about 523.4704347769.

Adding to 143442047 its reverse (740244341), we get a palindrome (883686388).

The spelling of 143442047 in words is "one hundred forty-three million, four hundred forty-two thousand, forty-seven".