143113420505 has 16 divisors (see below), whose sum is σ = 190523880000. Its totient is φ = 102318375360.

The previous prime is 143113420477. The next prime is 143113420507. The reversal of 143113420505 is 505024311341.

It is not a de Polignac number, because 143113420505 - 2¹⁴ = 143113404121 is a prime.

It is a super-2 number, since 2×143113420505² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143113420507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22048130 + ... + 22054619.

It is an arithmetic number, because the mean of its divisors is an integer number (11907742500).

Almost surely, 2^143113420505 is an apocalyptic number.

It is an amenable number.

143113420505 is a deficient number, since it is larger than the sum of its proper divisors (47410459495).

143113420505 is a wasteful number, since it uses less digits than its factorization.

143113420505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44102824.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 143113420505 its reverse (505024311341), we get a palindrome (648137731846).

The spelling of 143113420505 in words is "one hundred forty-three billion, one hundred thirteen million, four hundred twenty thousand, five hundred five".