143648864 has 12 divisors (see below), whose sum is σ = 282808764. Its totient is φ = 71824416.

The previous prime is 143648851. The next prime is 143648917. The reversal of 143648864 is 468846341.

It is a super-2 number, since 2×143648864² = 41269992256980992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244482 + ... + 2244545.

It is an arithmetic number, because the mean of its divisors is an integer number (23567397).

Almost surely, 2^143648864 is an apocalyptic number.

It is an amenable number.

143648864 is a deficient number, since it is larger than the sum of its proper divisors (139159900).

143648864 is an equidigital number, since it uses as much as digits as its factorization.

143648864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489037 (or 4489029 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 143648864 is about 11985.3604034255. The cubic root of 143648864 is about 523.7218965977.

The spelling of 143648864 in words is "one hundred forty-three million, six hundred forty-eight thousand, eight hundred sixty-four".