143505214064634 has 16 divisors (see below), whose sum is σ = 287010553764960. Its totient is φ = 47835050415600.

The previous prime is 143505214064627. The next prime is 143505214064647. The reversal of 143505214064634 is 436460412505341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16655809 + ... + 23757659.

It is an arithmetic number, because the mean of its divisors is an integer number (17938159610310).

Almost surely, 2^{143505214064634} is an apocalyptic number.

143505214064634 is an abundant number, since it is smaller than the sum of its proper divisors (143505339700326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143505214064634 is a wasteful number, since it uses less digits than its factorization.

143505214064634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469645.

The product of its (nonzero) digits is 4147200, while the sum is 48.

Adding to 143505214064634 its reverse (436460412505341), we get a palindrome (579965626569975).

The spelling of 143505214064634 in words is "one hundred forty-three trillion, five hundred five billion, two hundred fourteen million, sixty-four thousand, six hundred thirty-four".