253240154 has 8 divisors (see below), whose sum is σ = 386298720. Its totient is φ = 124473916.

The previous prime is 253240153. The next prime is 253240157. The reversal of 253240154 is 451042352.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (253240153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072934 + ... + 1073169.

It is an arithmetic number, because the mean of its divisors is an integer number (48287340).

Almost surely, 2^253240154 is an apocalyptic number.

253240154 is a deficient number, since it is larger than the sum of its proper divisors (133058566).

253240154 is a wasteful number, since it uses less digits than its factorization.

253240154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146164.

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

The square root of 253240154 is about 15913.5211062794. The cubic root of 253240154 is about 632.6704100090.

The spelling of 253240154 in words is "two hundred fifty-three million, two hundred forty thousand, one hundred fifty-four".