925238143449 has 15 divisors (see below), whose sum is σ = 1382158800847. Its totient is φ = 616819657608.

The previous prime is 925238143409. The next prime is 925238143463. The reversal of 925238143449 is 944341832529.

It is a happy number.

The square root of 925238143449 is 961893.

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

925238143449 is a `hidden beast` number, since 9 + 2 + 52 + 3 + 8 + 143 + 449 = 666.

It can be written as a sum of positive squares in only one way, i.e., 660700737225 + 264537406224 = 812835^2 + 514332^2 .

It is not a de Polignac number, because 925238143449 - 2²¹ = 925236046297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 925238143395 and 925238143404.

It is not an unprimeable number, because it can be changed into a prime (925238143409) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8603599 + ... + 8710475.

Almost surely, 2^925238143449 is an apocalyptic number.

925238143449 is the 961893-rd square number.

925238143449 is the 480947-th centered octagonal number.

It is an amenable number.

925238143449 is a deficient number, since it is larger than the sum of its proper divisors (456920657398).

925238143449 is an frugal number, since it uses more digits than its factorization.

925238143449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213766 (or 106880 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 925238143449 in words is "nine hundred twenty-five billion, two hundred thirty-eight million, one hundred forty-three thousand, four hundred forty-nine".