143338916 has 54 divisors (see below), whose sum is σ = 301909734. Its totient is φ = 59371200.

The previous prime is 143338891. The next prime is 143338919. The reversal of 143338916 is 619833341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 75342400 + 67996516 = 8680^2 + 8246^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143338916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143338919) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 187976 + ... + 188736.

It is an arithmetic number, because the mean of its divisors is an integer number (5590921).

Almost surely, 2^143338916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143338916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150954867).

143338916 is an abundant number, since it is smaller than the sum of its proper divisors (158570818).

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

143338916 is a wasteful number, since it uses less digits than its factorization.

143338916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 801 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 143338916 is about 11972.4231465481. The cubic root of 143338916 is about 523.3449509459.

The spelling of 143338916 in words is "one hundred forty-three million, three hundred thirty-eight thousand, nine hundred sixteen".