143172858747 has 16 divisors (see below), whose sum is σ = 191445512832. Its totient is φ = 95174714880.

The previous prime is 143172858743. The next prime is 143172858779. The reversal of 143172858747 is 747858271341.

It is not a de Polignac number, because 143172858747 - 2² = 143172858743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143172858743) 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, 1752708 + ... + 1832574.

It is an arithmetic number, because the mean of its divisors is an integer number (11965344552).

Almost surely, 2^143172858747 is an apocalyptic number.

143172858747 is a deficient number, since it is larger than the sum of its proper divisors (48272654085).

143172858747 is a wasteful number, since it uses less digits than its factorization.

143172858747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81578.

The product of its digits is 10536960, while the sum is 57.

The spelling of 143172858747 in words is "one hundred forty-three billion, one hundred seventy-two million, eight hundred fifty-eight thousand, seven hundred forty-seven".