242157626 has 8 divisors (see below), whose sum is σ = 363302580. Its totient is φ = 121056768.

The previous prime is 242157623. The next prime is 242157649. The reversal of 242157626 is 626751242.

242157626 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 2 ways, for example, as 240715225 + 1442401 = 15515^2 + 1201^2 .

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

It is not an unprimeable number, because it can be changed into a prime (242157623) 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, 14900 + ... + 26576.

Almost surely, 2^242157626 is an apocalyptic number.

242157626 is a deficient number, since it is larger than the sum of its proper divisors (121144954).

242157626 is a wasteful number, since it uses less digits than its factorization.

242157626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22048.

The product of its digits is 40320, while the sum is 35.

The square root of 242157626 is about 15561.4146529164. The cubic root of 242157626 is about 623.3032386232.

The spelling of 242157626 in words is "two hundred forty-two million, one hundred fifty-seven thousand, six hundred twenty-six".