143305042 has 12 divisors (see below), whose sum is σ = 224711550. Its totient is φ = 68536688.

The previous prime is 143305039. The next prime is 143305067. The reversal of 143305042 is 240503341.

It can be written as a sum of positive squares in only one way, i.e., 73599241 + 69705801 = 8579^2 + 8349^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66667 + ... + 68782.

Almost surely, 2^143305042 is an apocalyptic number.

143305042 is a deficient number, since it is larger than the sum of its proper divisors (81406508).

143305042 is a wasteful number, since it uses less digits than its factorization.

143305042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135497 (or 135474 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 143305042 is about 11971.0083952857. The cubic root of 143305042 is about 523.3037218923.

Adding to 143305042 its reverse (240503341), we get a palindrome (383808383).

The spelling of 143305042 in words is "one hundred forty-three million, three hundred five thousand, forty-two".