154115201 has 2 divisors, whose sum is σ = 154115202. Its totient is φ = 154115200.

The previous prime is 154115197. The next prime is 154115207. The reversal of 154115201 is 102511451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122766400 + 31348801 = 11080^2 + 5599^2 .

It is a cyclic number.

It is not a de Polignac number, because 154115201 - 2² = 154115197 is a prime.

It is not a weakly prime, because it can be changed into another prime (154115207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77057600 + 77057601.

It is an arithmetic number, because the mean of its divisors is an integer number (77057601).

Almost surely, 2^154115201 is an apocalyptic number.

It is an amenable number.

154115201 is a deficient number, since it is larger than the sum of its proper divisors (1).

154115201 is an equidigital number, since it uses as much as digits as its factorization.

154115201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 154115201 is about 12414.3143588359. The cubic root of 154115201 is about 536.1444635944.

Adding to 154115201 its reverse (102511451), we get a palindrome (256626652).

The spelling of 154115201 in words is "one hundred fifty-four million, one hundred fifteen thousand, two hundred one".