242140450 has 24 divisors (see below), whose sum is σ = 451831572. Its totient is φ = 96544320.

The previous prime is 242140433. The next prime is 242140471. The reversal of 242140450 is 54041242.

It is a happy number.

242140450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3530641 + 238609809 = 1879^2 + 15447^2 .

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, 8212 + ... + 23488.

Almost surely, 2^242140450 is an apocalyptic number.

242140450 is a deficient number, since it is larger than the sum of its proper divisors (209691122).

242140450 is a wasteful number, since it uses less digits than its factorization.

242140450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15606 (or 15601 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 242140450 is about 15560.8627652839. The cubic root of 242140450 is about 623.2885015148.

Adding to 242140450 its reverse (54041242), we get a palindrome (296181692).

It can be divided in two parts, 242 and 140450, that multiplied together give a square (33988900 = 5830²).

The spelling of 242140450 in words is "two hundred forty-two million, one hundred forty thousand, four hundred fifty".