143671416 has 32 divisors (see below), whose sum is σ = 410490240. Its totient is φ = 41048928.

The previous prime is 143671399. The next prime is 143671457. The reversal of 143671416 is 614176341.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427426 + ... + 427761.

It is an arithmetic number, because the mean of its divisors is an integer number (12827820).

Almost surely, 2^143671416 is an apocalyptic number.

It is an amenable number.

143671416 is an abundant number, since it is smaller than the sum of its proper divisors (266818824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143671416 is a wasteful number, since it uses less digits than its factorization.

143671416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855203 (or 855199 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 143671416 is about 11986.3011809315. The cubic root of 143671416 is about 523.7493022169.

The spelling of 143671416 in words is "one hundred forty-three million, six hundred seventy-one thousand, four hundred sixteen".