143872273 has 2 divisors, whose sum is σ = 143872274. Its totient is φ = 143872272.

The previous prime is 143872247. The next prime is 143872279. The reversal of 143872273 is 372278341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94633984 + 49238289 = 9728^2 + 7017^2 .

It is a cyclic number.

It is not a de Polignac number, because 143872273 - 2¹⁷ = 143741201 is a prime.

It is not a weakly prime, because it can be changed into another prime (143872279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71936136 + 71936137.

It is an arithmetic number, because the mean of its divisors is an integer number (71936137).

Almost surely, 2^143872273 is an apocalyptic number.

It is an amenable number.

143872273 is a deficient number, since it is larger than the sum of its proper divisors (1).

143872273 is an equidigital number, since it uses as much as digits as its factorization.

143872273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 143872273 is about 11994.6768610080. The cubic root of 143872273 is about 523.9932610384.

The spelling of 143872273 in words is "one hundred forty-three million, eight hundred seventy-two thousand, two hundred seventy-three".