245240153 has 8 divisors (see below), whose sum is σ = 256315080. Its totient is φ = 234339840.

The previous prime is 245240141. The next prime is 245240161. The reversal of 245240153 is 351042542.

It is a happy number.

245240153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 78623689 + 166616464 = 8867^2 + 12908^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245240153 - 2²⁴ = 228462937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245243153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40778 + ... + 46403.

It is an arithmetic number, because the mean of its divisors is an integer number (32039385).

Almost surely, 2^245240153 is an apocalyptic number.

It is an amenable number.

245240153 is a deficient number, since it is larger than the sum of its proper divisors (11074927).

245240153 is an equidigital number, since it uses as much as digits as its factorization.

245240153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87307.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245240153 is about 15660.1453696956. The cubic root of 245240153 is about 625.9368588644.

Adding to 245240153 its reverse (351042542), we get a palindrome (596282695).

The spelling of 245240153 in words is "two hundred forty-five million, two hundred forty thousand, one hundred fifty-three".