253231340154 has 16 divisors (see below), whose sum is σ = 545421348192. Its totient is φ = 77917335408.

The previous prime is 253231340137. The next prime is 253231340161. The reversal of 253231340154 is 451043132352.

It is a super-2 number, since 2×253231340154² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623277744 + ... + 1623277899.

It is an arithmetic number, because the mean of its divisors is an integer number (34088834262).

Almost surely, 2^253231340154 is an apocalyptic number.

253231340154 is an abundant number, since it is smaller than the sum of its proper divisors (292190008038).

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

253231340154 is a wasteful number, since it uses less digits than its factorization.

253231340154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246555661.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 253231340154 in words is "two hundred fifty-three billion, two hundred thirty-one million, three hundred forty thousand, one hundred fifty-four".