143968625 has 16 divisors (see below), whose sum is σ = 181705680. Its totient is φ = 113872000.

The previous prime is 143968553. The next prime is 143968633. The reversal of 143968625 is 526869341.

It can be written as a sum of positive squares in 8 ways, for example, as 50865424 + 93103201 = 7132^2 + 9649^2 .

It is not a de Polignac number, because 143968625 - 2¹² = 143964529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4655 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (11356605).

Almost surely, 2^143968625 is an apocalyptic number.

It is an amenable number.

143968625 is a deficient number, since it is larger than the sum of its proper divisors (37737055).

143968625 is an equidigital number, since it uses as much as digits as its factorization.

143968625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13045 (or 13035 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 143968625 is about 11998.6926371168. The cubic root of 143968625 is about 524.1102085946.

The spelling of 143968625 in words is "one hundred forty-three million, nine hundred sixty-eight thousand, six hundred twenty-five".