242510445 has 12 divisors (see below), whose sum is σ = 420351516. Its totient is φ = 129338880.

The previous prime is 242510431. The next prime is 242510447. The reversal of 242510445 is 544015242.

It can be written as a sum of positive squares in 2 ways, for example, as 174398436 + 68112009 = 13206^2 + 8253^2 .

It is not a de Polignac number, because 242510445 - 2¹⁴ = 242494061 is a prime.

It is a super-2 number, since 2×242510445² = 117622631868196050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242510447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2694516 + ... + 2694605.

It is an arithmetic number, because the mean of its divisors is an integer number (35029293).

Almost surely, 2^242510445 is an apocalyptic number.

It is an amenable number.

242510445 is a deficient number, since it is larger than the sum of its proper divisors (177841071).

242510445 is a wasteful number, since it uses less digits than its factorization.

242510445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389132 (or 5389129 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 242510445 is about 15572.7468675247. The cubic root of 242510445 is about 623.6058053332.

Adding to 242510445 its reverse (544015242), we get a palindrome (786525687).

The spelling of 242510445 in words is "two hundred forty-two million, five hundred ten thousand, four hundred forty-five".