143996413 has 12 divisors (see below), whose sum is σ = 158578560. Its totient is φ = 130656680.

The previous prime is 143996401. The next prime is 143996423. The reversal of 143996413 is 314699341.

It is a de Polignac number, because none of the positive numbers 2^k-143996413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143996423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99348 + ... + 100786.

It is an arithmetic number, because the mean of its divisors is an integer number (13214880).

Almost surely, 2^143996413 is an apocalyptic number.

It is an amenable number.

143996413 is a deficient number, since it is larger than the sum of its proper divisors (14582147).

143996413 is a wasteful number, since it uses less digits than its factorization.

143996413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288 (or 2277 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 143996413 is about 11999.8505407359. The cubic root of 143996413 is about 524.1439266763.

The spelling of 143996413 in words is "one hundred forty-three million, nine hundred ninety-six thousand, four hundred thirteen".