242146738 has 16 divisors (see below), whose sum is σ = 378393120. Its totient is φ = 116116000.

The previous prime is 242146721. The next prime is 242146739. The reversal of 242146738 is 837641242.

It is a junction number, because it is equal to n+sod(n) for n = 242146697 and 242146706.

It is not an unprimeable number, because it can be changed into a prime (242146739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20188 + ... + 29863.

It is an arithmetic number, because the mean of its divisors is an integer number (23649570).

Almost surely, 2^242146738 is an apocalyptic number.

242146738 is a deficient number, since it is larger than the sum of its proper divisors (136246382).

242146738 is a wasteful number, since it uses less digits than its factorization.

242146738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50153.

The product of its digits is 64512, while the sum is 37.

The square root of 242146738 is about 15561.0648093246. The cubic root of 242146738 is about 623.2938967364.

The spelling of 242146738 in words is "two hundred forty-two million, one hundred forty-six thousand, seven hundred thirty-eight".