143904001 has 2 divisors, whose sum is σ = 143904002. Its totient is φ = 143904000.

The previous prime is 143903987. The next prime is 143904017. The reversal of 143904001 is 100409341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139594225 + 4309776 = 11815^2 + 2076^2 .

It is a cyclic number.

It is not a de Polignac number, because 143904001 - 2⁹ = 143903489 is a prime.

It is not a weakly prime, because it can be changed into another prime (143904071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71952000 + 71952001.

It is an arithmetic number, because the mean of its divisors is an integer number (71952001).

Almost surely, 2^143904001 is an apocalyptic number.

It is an amenable number.

143904001 is a deficient number, since it is larger than the sum of its proper divisors (1).

143904001 is an equidigital number, since it uses as much as digits as its factorization.

143904001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 143904001 is about 11995.9993747916. Note that the first 3 decimals coincide. The cubic root of 143904001 is about 524.0317767669.

The spelling of 143904001 in words is "one hundred forty-three million, nine hundred four thousand, one".