242561450 has 24 divisors (see below), whose sum is σ = 470782368. Its totient is φ = 92805680.

The previous prime is 242561419. The next prime is 242561477. The reversal of 242561450 is 54165242.

It is a super-2 number, since 2×242561450² = 117672114052205000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104312 + ... + 106611.

It is an arithmetic number, because the mean of its divisors is an integer number (19615932).

Almost surely, 2^242561450 is an apocalyptic number.

242561450 is a deficient number, since it is larger than the sum of its proper divisors (228220918).

242561450 is a wasteful number, since it uses less digits than its factorization.

242561450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210958 (or 210953 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 242561450 is about 15574.3844180115. The cubic root of 242561450 is about 623.6495213670.

The spelling of 242561450 in words is "two hundred forty-two million, five hundred sixty-one thousand, four hundred fifty".