242455653 has 32 divisors (see below), whose sum is σ = 392753280. Its totient is φ = 146603520.

The previous prime is 242455621. The next prime is 242455691. The reversal of 242455653 is 356554242.

It is not a de Polignac number, because 242455653 - 2⁵ = 242455621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242455693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199275 + ... + 200487.

It is an arithmetic number, because the mean of its divisors is an integer number (12273540).

Almost surely, 2^242455653 is an apocalyptic number.

It is an amenable number.

242455653 is a deficient number, since it is larger than the sum of its proper divisors (150297627).

242455653 is a wasteful number, since it uses less digits than its factorization.

242455653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1900 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 242455653 is about 15570.9875409365. The cubic root of 242455653 is about 623.5588366580.

The spelling of 242455653 in words is "two hundred forty-two million, four hundred fifty-five thousand, six hundred fifty-three".