143940356 has 12 divisors (see below), whose sum is σ = 287880768. Its totient is φ = 61688712.

The previous prime is 143940341. The next prime is 143940361. The reversal of 143940356 is 653049341.

It is a happy number.

143940356 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2570336 + ... + 2570391.

It is an arithmetic number, because the mean of its divisors is an integer number (23990064).

Almost surely, 2^143940356 is an apocalyptic number.

It is an amenable number.

143940356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143940356 is a wasteful number, since it uses less digits than its factorization.

143940356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140738 (or 5140736 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 143940356 is about 11997.5145759445. The cubic root of 143940356 is about 524.0759024132.

Adding to 143940356 its reverse (653049341), we get a palindrome (796989697).

The spelling of 143940356 in words is "one hundred forty-three million, nine hundred forty thousand, three hundred fifty-six".