143769601 has 2 divisors, whose sum is σ = 143769602. Its totient is φ = 143769600.

The previous prime is 143769589. The next prime is 143769611. The reversal of 143769601 is 106967341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127577025 + 16192576 = 11295^2 + 4024^2 .

It is a cyclic number.

It is not a de Polignac number, because 143769601 - 2⁷ = 143769473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143769611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71884800 + 71884801.

It is an arithmetic number, because the mean of its divisors is an integer number (71884801).

It is a Proth number, since it is equal to 8775 ⋅ 2¹⁴ + 1 and 8775 < 2¹⁴.

Almost surely, 2^143769601 is an apocalyptic number.

It is an amenable number.

143769601 is a deficient number, since it is larger than the sum of its proper divisors (1).

143769601 is an equidigital number, since it uses as much as digits as its factorization.

143769601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 143769601 is about 11990.3961986250. The cubic root of 143769601 is about 523.8685850839.

The spelling of 143769601 in words is "one hundred forty-three million, seven hundred sixty-nine thousand, six hundred one".