143449159 has 16 divisors (see below), whose sum is σ = 165892608. Its totient is φ = 121504032.

The previous prime is 143449153. The next prime is 143449169. The reversal of 143449159 is 951944341.

It is a cyclic number.

It is not a de Polignac number, because 143449159 - 2¹¹ = 143447111 is a prime.

It is a super-2 number, since 2×143449159² = 41155322435614562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143449153) 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 15 ways as a sum of consecutive naturals, for example, 323592 + ... + 324034.

It is an arithmetic number, because the mean of its divisors is an integer number (10368288).

Almost surely, 2^143449159 is an apocalyptic number.

143449159 is a deficient number, since it is larger than the sum of its proper divisors (22443449).

143449159 is a wasteful number, since it uses less digits than its factorization.

143449159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its digits is 77760, while the sum is 40.

The square root of 143449159 is about 11977.0263003802. The cubic root of 143449159 is about 523.4790860296.

The spelling of 143449159 in words is "one hundred forty-three million, four hundred forty-nine thousand, one hundred fifty-nine".