154115145232201 has 2 divisors, whose sum is σ = 154115145232202. Its totient is φ = 154115145232200.

The previous prime is 154115145232199. The next prime is 154115145232207. The reversal of 154115145232201 is 102232541511451.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120728474497801 + 33386670734400 = 10987651^2 + 5778120^2 .

It is a cyclic number.

It is not a de Polignac number, because 154115145232201 - 2¹ = 154115145232199 is a prime.

Together with 154115145232199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (154115145232207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77057572616100 + 77057572616101.

It is an arithmetic number, because the mean of its divisors is an integer number (77057572616101).

Almost surely, 2^{154115145232201} is an apocalyptic number.

It is an amenable number.

154115145232201 is a deficient number, since it is larger than the sum of its proper divisors (1).

154115145232201 is an equidigital number, since it uses as much as digits as its factorization.

154115145232201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 37.

Adding to 154115145232201 its reverse (102232541511451), we get a palindrome (256347686743652).

The spelling of 154115145232201 in words is "one hundred fifty-four trillion, one hundred fifteen billion, one hundred forty-five million, two hundred thirty-two thousand, two hundred one".