143949411 has 6 divisors (see below), whose sum is σ = 207926940. Its totient is φ = 95966268.

The previous prime is 143949397. The next prime is 143949413. The reversal of 143949411 is 114949341.

143949411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143949411 - 2⁷ = 143949283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143949413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7997181 + ... + 7997198.

It is an arithmetic number, because the mean of its divisors is an integer number (34654490).

Almost surely, 2^143949411 is an apocalyptic number.

143949411 is a deficient number, since it is larger than the sum of its proper divisors (63977529).

143949411 is a wasteful number, since it uses less digits than its factorization.

143949411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15994385 (or 15994382 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 143949411 is about 11997.8919398368. The cubic root of 143949411 is about 524.0868917051.

The spelling of 143949411 in words is "one hundred forty-three million, nine hundred forty-nine thousand, four hundred eleven".