143730742 has 8 divisors (see below), whose sum is σ = 216097632. Its totient is φ = 71698200.

The previous prime is 143730731. The next prime is 143730751. The reversal of 143730742 is 247037341.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82509 + ... + 84232.

It is an arithmetic number, because the mean of its divisors is an integer number (27012204).

Almost surely, 2^143730742 is an apocalyptic number.

143730742 is a deficient number, since it is larger than the sum of its proper divisors (72366890).

143730742 is a wasteful number, since it uses less digits than its factorization.

143730742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167174.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 143730742 is about 11988.7756672648. The cubic root of 143730742 is about 523.8213826073.

The spelling of 143730742 in words is "one hundred forty-three million, seven hundred thirty thousand, seven hundred forty-two".