242153030 has 16 divisors (see below), whose sum is σ = 498143520. Its totient is φ = 83023872.

The previous prime is 242153029. The next prime is 242153053. The reversal of 242153030 is 30351242.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 242152993 and 242153011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1729595 + ... + 1729734.

It is an arithmetic number, because the mean of its divisors is an integer number (31133970).

Almost surely, 2^242153030 is an apocalyptic number.

242153030 is an abundant number, since it is smaller than the sum of its proper divisors (255990490).

242153030 is a wasteful number, since it uses less digits than its factorization.

242153030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459343.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 242153030 is about 15561.2669792662. The cubic root of 242153030 is about 623.2992952966.

The spelling of 242153030 in words is "two hundred forty-two million, one hundred fifty-three thousand, thirty".