245240154 has 24 divisors (see below), whose sum is σ = 533567892. Its totient is φ = 81406080.

The previous prime is 245240141. The next prime is 245240161. The reversal of 245240154 is 451042542.

245240154 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 2 ways, for example, as 237868929 + 7371225 = 15423^2 + 2715^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23929 + ... + 32604.

Almost surely, 2^245240154 is an apocalyptic number.

245240154 is an abundant number, since it is smaller than the sum of its proper divisors (288327738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245240154 is a wasteful number, since it uses less digits than its factorization.

245240154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56782 (or 56779 counting only the distinct ones).

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

The square root of 245240154 is about 15660.1454016238. The cubic root of 245240154 is about 625.9368597152.

Adding to 245240154 its reverse (451042542), we get a palindrome (696282696).

The spelling of 245240154 in words is "two hundred forty-five million, two hundred forty thousand, one hundred fifty-four".