243354150225 has 60 divisors (see below), whose sum is σ = 450888039756. Its totient is φ = 129756625920.

The previous prime is 243354150217. The next prime is 243354150283. The reversal of 243354150225 is 522051453342.

243354150225 is a `hidden beast` number, since 2 + 43 + 3 + 541 + 50 + 2 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 28005264 + 243326144961 = 5292^2 + 493281^2 .

It is not a de Polignac number, because 243354150225 - 2³ = 243354150217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243354150225.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 9693289 + ... + 9718361.

Almost surely, 2^243354150225 is an apocalyptic number.

243354150225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243354150225 is a deficient number, since it is larger than the sum of its proper divisors (207533889531).

243354150225 is a wasteful number, since it uses less digits than its factorization.

243354150225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29888 (or 29874 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 243354150225 in words is "two hundred forty-three billion, three hundred fifty-four million, one hundred fifty thousand, two hundred twenty-five".