16245505143 has 24 divisors (see below), whose sum is σ = 27683076096. Its totient is φ = 8983688400.

The previous prime is 16245505123. The next prime is 16245505151. The reversal of 16245505143 is 34150554261.

16245505143 is a `hidden beast` number, since 1 + 6 + 2 + 4 + 5 + 505 + 143 = 666.

It is not a de Polignac number, because 16245505143 - 2⁹ = 16245504631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16245505098 and 16245505107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16245505103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4157163 + ... + 4161068.

It is an arithmetic number, because the mean of its divisors is an integer number (1153461504).

Almost surely, 2^16245505143 is an apocalyptic number.

16245505143 is a deficient number, since it is larger than the sum of its proper divisors (11437570953).

16245505143 is a wasteful number, since it uses less digits than its factorization.

16245505143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318275 (or 8318272 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 16245505143 in words is "sixteen billion, two hundred forty-five million, five hundred five thousand, one hundred forty-three".