143156897 has 8 divisors (see below), whose sum is σ = 154280616. Its totient is φ = 132049152.

The previous prime is 143156891. The next prime is 143156903. The reversal of 143156897 is 798651341.

It is an interprime number because it is at equal distance from previous prime (143156891) and next prime (143156903).

It can be written as a sum of positive squares in 4 ways, for example, as 3066001 + 140090896 = 1751^2 + 11836^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143156897 - 2¹⁴ = 143140513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143156891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20003 + ... + 26199.

It is an arithmetic number, because the mean of its divisors is an integer number (19285077).

Almost surely, 2^143156897 is an apocalyptic number.

It is an amenable number.

143156897 is a deficient number, since it is larger than the sum of its proper divisors (11123719).

143156897 is a wasteful number, since it uses less digits than its factorization.

143156897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7987.

The product of its digits is 181440, while the sum is 44.

The square root of 143156897 is about 11964.8191377889. The cubic root of 143156897 is about 523.1233338229.

It can be divided in two parts, 14315 and 6897, that added together give a palindrome (21212).

The spelling of 143156897 in words is "one hundred forty-three million, one hundred fifty-six thousand, eight hundred ninety-seven".