143829681 has 8 divisors (see below), whose sum is σ = 196450464. Its totient is φ = 93547680.

The previous prime is 143829629. The next prime is 143829689. The reversal of 143829681 is 186928341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143829681 - 2²¹ = 141732529 is a prime.

It is a super-2 number, since 2×143829681² = 41373954273123522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143829689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584551 + ... + 584796.

It is an arithmetic number, because the mean of its divisors is an integer number (24556308).

Almost surely, 2^143829681 is an apocalyptic number.

It is an amenable number.

143829681 is a deficient number, since it is larger than the sum of its proper divisors (52620783).

143829681 is a wasteful number, since it uses less digits than its factorization.

143829681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169391.

The product of its digits is 82944, while the sum is 42.

The square root of 143829681 is about 11992.9012753378. The cubic root of 143829681 is about 523.9415482165.

The spelling of 143829681 in words is "one hundred forty-three million, eight hundred twenty-nine thousand, six hundred eighty-one".