54142242151 has 4 divisors (see below), whose sum is σ = 54241223032. Its totient is φ = 54043261272.

The previous prime is 54142242149. The next prime is 54142242163. The reversal of 54142242151 is 15124224145.

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 54142242151 - 2¹ = 54142242149 is a prime.

It is a super-2 number, since 2×54142242151² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54142242251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49489620 + ... + 49490713.

It is an arithmetic number, because the mean of its divisors is an integer number (13560305758).

Almost surely, 2^54142242151 is an apocalyptic number.

54142242151 is a deficient number, since it is larger than the sum of its proper divisors (98980881).

54142242151 is an equidigital number, since it uses as much as digits as its factorization.

54142242151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98980880.

The product of its digits is 12800, while the sum is 31.

Adding to 54142242151 its reverse (15124224145), we get a palindrome (69266466296).

The spelling of 54142242151 in words is "fifty-four billion, one hundred forty-two million, two hundred forty-two thousand, one hundred fifty-one".