242442134 has 48 divisors (see below), whose sum is σ = 437125248. Its totient is φ = 100320000.

The previous prime is 242442133. The next prime is 242442157. The reversal of 242442134 is 431244242.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242442133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126584 + ... + 128484.

It is an arithmetic number, because the mean of its divisors is an integer number (9106776).

Almost surely, 2^242442134 is an apocalyptic number.

242442134 is a deficient number, since it is larger than the sum of its proper divisors (194683114).

242442134 is a wasteful number, since it uses less digits than its factorization.

242442134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1962 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 242442134 is about 15570.5534262595. The cubic root of 242442134 is about 623.5472468429.

Adding to 242442134 its reverse (431244242), we get a palindrome (673686376).

The spelling of 242442134 in words is "two hundred forty-two million, four hundred forty-two thousand, one hundred thirty-four".