143729664 has 176 divisors, whose sum is σ = 426431040. Its totient is φ = 42762240.

The previous prime is 143729657. The next prime is 143729669. The reversal of 143729664 is 466927341.

It is not an unprimeable number, because it can be changed into a prime (143729669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2356194 + ... + 2356254.

Almost surely, 2^143729664 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 143729664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213215520).

143729664 is an abundant number, since it is smaller than the sum of its proper divisors (282701376).

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

143729664 is a wasteful number, since it uses less digits than its factorization.

143729664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 138 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 143729664 is about 11988.7307084612. The cubic root of 143729664 is about 523.8200730270.

It can be divided in two parts, 1437296 and 64, that added together give a triangular number (1437360 = T₁₆₉₅).

The spelling of 143729664 in words is "one hundred forty-three million, seven hundred twenty-nine thousand, six hundred sixty-four".