143679040 has 28 divisors (see below), whose sum is σ = 342136476. Its totient is φ = 57471488.

The previous prime is 143679031. The next prime is 143679049. The reversal of 143679040 is 40976341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (143679031) and next prime (143679049).

It can be written as a sum of positive squares in 2 ways, for example, as 65674816 + 78004224 = 8104^2 + 8832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143678987 and 143679005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143679049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224179 + ... + 224818.

Almost surely, 2^143679040 is an apocalyptic number.

143679040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143679040 is an abundant number, since it is smaller than the sum of its proper divisors (198457436).

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

143679040 is an equidigital number, since it uses as much as digits as its factorization.

143679040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449014 (or 449004 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 143679040 is about 11986.6192064318. The cubic root of 143679040 is about 523.7585663980.

The spelling of 143679040 in words is "one hundred forty-three million, six hundred seventy-nine thousand, forty".