242144402 has 4 divisors (see below), whose sum is σ = 363216606. Its totient is φ = 121072200.

The previous prime is 242144389. The next prime is 242144407. The reversal of 242144402 is 204441242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 170589721 + 71554681 = 13061^2 + 8459^2 .

It is a super-2 number, since 2×242144402² = 117267822839875208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242144407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60536099 + ... + 60536102.

Almost surely, 2^242144402 is an apocalyptic number.

242144402 is a deficient number, since it is larger than the sum of its proper divisors (121072204).

242144402 is a wasteful number, since it uses less digits than its factorization.

242144402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121072203.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 242144402 is about 15560.9897500127. The cubic root of 242144402 is about 623.2918924156.

Adding to 242144402 its reverse (204441242), we get a palindrome (446585644).

The spelling of 242144402 in words is "two hundred forty-two million, one hundred forty-four thousand, four hundred two".