143632673 has 2 divisors, whose sum is σ = 143632674. Its totient is φ = 143632672.

The previous prime is 143632667. The next prime is 143632747. The reversal of 143632673 is 376236341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142754704 + 877969 = 11948^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 143632673 - 2¹⁸ = 143370529 is a prime.

It is a super-4 number, since 4×143632673⁴ (a number of 34 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (143632603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71816336 + 71816337.

It is an arithmetic number, because the mean of its divisors is an integer number (71816337).

Almost surely, 2^143632673 is an apocalyptic number.

It is an amenable number.

143632673 is a deficient number, since it is larger than the sum of its proper divisors (1).

143632673 is an equidigital number, since it uses as much as digits as its factorization.

143632673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 35.

The square root of 143632673 is about 11984.6849353665. The cubic root of 143632673 is about 523.7022192178.

The spelling of 143632673 in words is "one hundred forty-three million, six hundred thirty-two thousand, six hundred seventy-three".