143530742 has 4 divisors (see below), whose sum is σ = 215296116. Its totient is φ = 71765370.

The previous prime is 143530729. The next prime is 143530759. The reversal of 143530742 is 247035341.

It is a happy number.

143530742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35882684 + ... + 35882687.

It is an arithmetic number, because the mean of its divisors is an integer number (53824029).

Almost surely, 2^143530742 is an apocalyptic number.

143530742 is a deficient number, since it is larger than the sum of its proper divisors (71765374).

143530742 is an equidigital number, since it uses as much as digits as its factorization.

143530742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71765373.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 143530742 is about 11980.4316282845. The cubic root of 143530742 is about 523.5783056206.

The spelling of 143530742 in words is "one hundred forty-three million, five hundred thirty thousand, seven hundred forty-two".