242245738 has 8 divisors (see below), whose sum is σ = 415278432. Its totient is φ = 103819596.

The previous prime is 242245727. The next prime is 242245739. The reversal of 242245738 is 837542242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 242245697 and 242245706.

It is not an unprimeable number, because it can be changed into a prime (242245739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8651620 + ... + 8651647.

It is an arithmetic number, because the mean of its divisors is an integer number (51909804).

Almost surely, 2^242245738 is an apocalyptic number.

242245738 is a deficient number, since it is larger than the sum of its proper divisors (173032694).

242245738 is a wasteful number, since it uses less digits than its factorization.

242245738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17303276.

The product of its digits is 107520, while the sum is 37.

The square root of 242245738 is about 15564.2455005053. The cubic root of 242245738 is about 623.3788282795.

The spelling of 242245738 in words is "two hundred forty-two million, two hundred forty-five thousand, seven hundred thirty-eight".