143875664 has 10 divisors (see below), whose sum is σ = 278759130. Its totient is φ = 71937824.

The previous prime is 143875661. The next prime is 143875687. The reversal of 143875664 is 466578341.

It can be written as a sum of positive squares in only one way, i.e., 143808064 + 67600 = 11992^2 + 260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143875661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4496099 + ... + 4496130.

It is an arithmetic number, because the mean of its divisors is an integer number (27875913).

Almost surely, 2^143875664 is an apocalyptic number.

It is an amenable number.

143875664 is a deficient number, since it is larger than the sum of its proper divisors (134883466).

143875664 is an equidigital number, since it uses as much as digits as its factorization.

143875664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992237 (or 8992231 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 143875664 is about 11994.8182145458. The cubic root of 143875664 is about 523.9973777621.

The spelling of 143875664 in words is "one hundred forty-three million, eight hundred seventy-five thousand, six hundred sixty-four".