143770647241 has 9 divisors (see below), whose sum is σ = 155685979431. Its totient is φ = 132706816632.

The previous prime is 143770647221. The next prime is 143770647289. The reversal of 143770647241 is 142746077341.

The square root of 143770647241 is 379171.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 21267847225 + 122502800016 = 145835^2 + 350004^2 .

It is not a de Polignac number, because 143770647241 - 2⁹ = 143770646729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143770647191 and 143770647200.

It is not an unprimeable number, because it can be changed into a prime (143770647221) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4914640 + ... + 4943806.

It is an arithmetic number, because the mean of its divisors is an integer number (17298442159).

Almost surely, 2^143770647241 is an apocalyptic number.

143770647241 is the 379171-st square number.

143770647241 is the 189586-th centered octagonal number.

It is an amenable number.

143770647241 is a deficient number, since it is larger than the sum of its proper divisors (11915332190).

143770647241 is an frugal number, since it uses more digits than its factorization.

143770647241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58360 (or 29180 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 46.

The spelling of 143770647241 in words is "one hundred forty-three billion, seven hundred seventy million, six hundred forty-seven thousand, two hundred forty-one".