242502453 has 24 divisors (see below), whose sum is σ = 370148480. Its totient is φ = 152565120.

The previous prime is 242502443. The next prime is 242502457. The reversal of 242502453 is 354205242.

It is a happy number.

It is not a de Polignac number, because 242502453 - 2²¹ = 240405301 is a prime.

It is a super-2 number, since 2×242502453² = 117614879422034418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242502457) 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, 43725 + ... + 48957.

Almost surely, 2^242502453 is an apocalyptic number.

It is an amenable number.

242502453 is a deficient number, since it is larger than the sum of its proper divisors (127646027).

242502453 is a wasteful number, since it uses less digits than its factorization.

242502453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 242502453 is about 15572.4902632816. The cubic root of 242502453 is about 623.5989548896.

Adding to 242502453 its reverse (354205242), we get a palindrome (596707695).

The spelling of 242502453 in words is "two hundred forty-two million, five hundred two thousand, four hundred fifty-three".