143122742 has 8 divisors (see below), whose sum is σ = 245353296. Its totient is φ = 61338312.

The previous prime is 143122703. The next prime is 143122751. The reversal of 143122742 is 247221341.

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

It is a congruent number.

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, 5111513 + ... + 5111540.

It is an arithmetic number, because the mean of its divisors is an integer number (30669162).

Almost surely, 2^143122742 is an apocalyptic number.

143122742 is a deficient number, since it is larger than the sum of its proper divisors (102230554).

143122742 is a wasteful number, since it uses less digits than its factorization.

143122742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223062.

The product of its digits is 2688, while the sum is 26.

The square root of 143122742 is about 11963.3917431471. The cubic root of 143122742 is about 523.0817274945.

The spelling of 143122742 in words is "one hundred forty-three million, one hundred twenty-two thousand, seven hundred forty-two".