142830431734 has 16 divisors (see below), whose sum is σ = 226855461888. Its totient is φ = 67212208512.

The previous prime is 142830431663. The next prime is 142830431759. The reversal of 142830431734 is 437134038241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779844 + ... + 1858360.

It is an arithmetic number, because the mean of its divisors is an integer number (14178466368).

Almost surely, 2^142830431734 is an apocalyptic number.

142830431734 is a deficient number, since it is larger than the sum of its proper divisors (84025030154).

142830431734 is a wasteful number, since it uses less digits than its factorization.

142830431734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132039.

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 142830431734 its reverse (437134038241), we get a palindrome (579964469975).

It can be divided in two parts, 142830 and 431734, that added together give a square (574564 = 758²).

The spelling of 142830431734 in words is "one hundred forty-two billion, eight hundred thirty million, four hundred thirty-one thousand, seven hundred thirty-four".