253340154 has 48 divisors (see below), whose sum is σ = 582671232. Its totient is φ = 79277184.

The previous prime is 253340117. The next prime is 253340161. The reversal of 253340154 is 451043352.

253340154 is a `hidden beast` number, since 253 + 3 + 401 + 5 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159247 + ... + 160829.

It is an arithmetic number, because the mean of its divisors is an integer number (12138984).

Almost surely, 2^253340154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253340154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291335616).

253340154 is an abundant number, since it is smaller than the sum of its proper divisors (329331078).

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

253340154 is a wasteful number, since it uses less digits than its factorization.

253340154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 253340154 is about 15916.6627783590. The cubic root of 253340154 is about 632.7536757867.

The spelling of 253340154 in words is "two hundred fifty-three million, three hundred forty thousand, one hundred fifty-four".