42154342151 has 2 divisors, whose sum is σ = 42154342152. Its totient is φ = 42154342150.

The previous prime is 42154342141. The next prime is 42154342157. The reversal of 42154342151 is 15124345124.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42154342151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42154342157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21077171075 + 21077171076.

It is an arithmetic number, because the mean of its divisors is an integer number (21077171076).

Almost surely, 2^42154342151 is an apocalyptic number.

42154342151 is a deficient number, since it is larger than the sum of its proper divisors (1).

42154342151 is an equidigital number, since it uses as much as digits as its factorization.

42154342151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

Adding to 42154342151 its reverse (15124345124), we get a palindrome (57278687275).

The spelling of 42154342151 in words is "forty-two billion, one hundred fifty-four million, three hundred forty-two thousand, one hundred fifty-one".