143885952 has 144 divisors (see below), whose sum is σ = 481835250. Its totient is φ = 41094144.

The previous prime is 143885927. The next prime is 143885971. The reversal of 143885952 is 259588341.

It can be written as a sum of positive squares in only one way, i.e., 91699776 + 52186176 = 9576^2 + 7224^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 143885898 and 143885907.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55174 + ... + 57722.

Almost surely, 2^143885952 is an apocalyptic number.

143885952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143885952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240917625).

143885952 is an abundant number, since it is smaller than the sum of its proper divisors (337949298).

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

143885952 is a wasteful number, since it uses less digits than its factorization.

143885952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583 (or 2561 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 143885952 is about 11995.2470587312. The cubic root of 143885952 is about 524.0098671490.

The spelling of 143885952 in words is "one hundred forty-three million, eight hundred eighty-five thousand, nine hundred fifty-two".