143393796 has 216 divisors, whose sum is σ = 469112280. Its totient is φ = 36796032.

The previous prime is 143393791. The next prime is 143393797. The reversal of 143393796 is 697393341.

It is a happy number.

143393796 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 17640000 + 125753796 = 4200^2 + 11214^2 .

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

It is not an unprimeable number, because it can be changed into a prime (143393791) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3875490 + ... + 3875526.

Almost surely, 2^143393796 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 143393796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234556140).

143393796 is an abundant number, since it is smaller than the sum of its proper divisors (325718484).

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

143393796 is a wasteful number, since it uses less digits than its factorization.

143393796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 62 counting only the distinct ones).

The product of its digits is 367416, while the sum is 45.

The square root of 143393796 is about 11974.7148609059. The cubic root of 143393796 is about 523.4117332429.

The spelling of 143393796 in words is "one hundred forty-three million, three hundred ninety-three thousand, seven hundred ninety-six".