242150445 has 32 divisors (see below), whose sum is σ = 431568000. Its totient is φ = 128823552.

The previous prime is 242150443. The next prime is 242150449. The reversal of 242150445 is 544051242.

242150445 is a `hidden beast` number, since 2 + 4 + 215 + 0 + 445 = 666.

It is not a de Polignac number, because 242150445 - 2¹ = 242150443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242150443) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 57781 + ... + 61829.

It is an arithmetic number, because the mean of its divisors is an integer number (13486500).

Almost surely, 2^242150445 is an apocalyptic number.

It is an amenable number.

242150445 is a deficient number, since it is larger than the sum of its proper divisors (189417555).

242150445 is a wasteful number, since it uses less digits than its factorization.

242150445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506 (or 4500 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 242150445 is about 15561.1839202549. The cubic root of 242150445 is about 623.2970773680.

The spelling of 242150445 in words is "two hundred forty-two million, one hundred fifty thousand, four hundred forty-five".