242102516 has 24 divisors (see below), whose sum is σ = 435675240. Its totient is φ = 117666432.

The previous prime is 242102489. The next prime is 242102533. The reversal of 242102516 is 615201242.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 111091600 + 131010916 = 10540^2 + 11446^2 .

It is a super-2 number, since 2×242102516² = 117227256507060512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242102491 and 242102500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17870 + ... + 28346.

It is an arithmetic number, because the mean of its divisors is an integer number (18153135).

Almost surely, 2^242102516 is an apocalyptic number.

It is an amenable number.

242102516 is a deficient number, since it is larger than the sum of its proper divisors (193572724).

242102516 is a wasteful number, since it uses less digits than its factorization.

242102516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643 (or 10641 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 242102516 is about 15559.6438262577. The cubic root of 242102516 is about 623.2559514516.

Adding to 242102516 its reverse (615201242), we get a palindrome (857303758).

The spelling of 242102516 in words is "two hundred forty-two million, one hundred two thousand, five hundred sixteen".