143161469 has 8 divisors (see below), whose sum is σ = 156273408. Its totient is φ = 130065760.

The previous prime is 143161423. The next prime is 143161477. The reversal of 143161469 is 964161341.

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

It is a de Polignac number, because none of the positive numbers 2^k-143161469 is a prime.

It is a super-2 number, since 2×143161469² = 40990412412475922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143160469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21329 + ... + 27225.

It is an arithmetic number, because the mean of its divisors is an integer number (19534176).

Almost surely, 2^143161469 is an apocalyptic number.

It is an amenable number.

143161469 is a deficient number, since it is larger than the sum of its proper divisors (13111939).

143161469 is a wasteful number, since it uses less digits than its factorization.

143161469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115.

The product of its digits is 15552, while the sum is 35.

The square root of 143161469 is about 11965.0101964018. The cubic root of 143161469 is about 523.1289027580.

The spelling of 143161469 in words is "one hundred forty-three million, one hundred sixty-one thousand, four hundred sixty-nine".