143890944 has 80 divisors (see below), whose sum is σ = 400099392. Its totient is φ = 45867008.

The previous prime is 143890931. The next prime is 143890949. The reversal of 143890944 is 449098341.

It is a super-2 number, since 2×143890944² = 41409207530422272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143890896 and 143890905.

It is not an unprimeable number, because it can be changed into a prime (143890949) 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, 33292 + ... + 37364.

Almost surely, 2^143890944 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 143890944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200049696).

143890944 is an abundant number, since it is smaller than the sum of its proper divisors (256208448).

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

143890944 is an equidigital number, since it uses as much as digits as its factorization.

143890944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117 (or 4101 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 143890944 is about 11995.4551393434. The cubic root of 143890944 is about 524.0159271036.

The spelling of 143890944 in words is "one hundred forty-three million, eight hundred ninety thousand, nine hundred forty-four".