243152450 has 48 divisors (see below), whose sum is σ = 462727080. Its totient is φ = 95040000.

The previous prime is 243152353. The next prime is 243152461. The reversal of 243152450 is 54251342.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 24970009 + 218182441 = 4997^2 + 14771^2 .

It is a super-2 number, since 2×243152450² = 118246227882005000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449180 + ... + 449720.

Almost surely, 2^243152450 is an apocalyptic number.

243152450 is a deficient number, since it is larger than the sum of its proper divisors (219574630).

243152450 is a wasteful number, since it uses less digits than its factorization.

243152450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 243152450 is about 15593.3463374607. The cubic root of 243152450 is about 624.1556170750.

The spelling of 243152450 in words is "two hundred forty-three million, one hundred fifty-two thousand, four hundred fifty".