240451254151 has 4 divisors (see below), whose sum is σ = 240492035232. Its totient is φ = 240410473072.

The previous prime is 240451254149. The next prime is 240451254203. The reversal of 240451254151 is 151452154042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240451254151 - 2¹ = 240451254149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240451254551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20381695 + ... + 20393488.

It is an arithmetic number, because the mean of its divisors is an integer number (60123008808).

Almost surely, 2^240451254151 is an apocalyptic number.

240451254151 is a deficient number, since it is larger than the sum of its proper divisors (40781081).

240451254151 is an equidigital number, since it uses as much as digits as its factorization.

240451254151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40781080.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 240451254151 in words is "two hundred forty billion, four hundred fifty-one million, two hundred fifty-four thousand, one hundred fifty-one".