154540147 has 2 divisors, whose sum is σ = 154540148. Its totient is φ = 154540146.

The previous prime is 154540097. The next prime is 154540163. The reversal of 154540147 is 741045451.

It is a strong prime.

It is an emirp because it is prime and its reverse (741045451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154540147 - 2¹¹ = 154538099 is a prime.

It is not a weakly prime, because it can be changed into another prime (154540847) 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, 77270073 + 77270074.

It is an arithmetic number, because the mean of its divisors is an integer number (77270074).

Almost surely, 2^154540147 is an apocalyptic number.

154540147 is a deficient number, since it is larger than the sum of its proper divisors (1).

154540147 is an equidigital number, since it uses as much as digits as its factorization.

154540147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 154540147 is about 12431.4177389387. The cubic root of 154540147 is about 536.6367865690.

Adding to 154540147 its reverse (741045451), we get a palindrome (895585598).

The spelling of 154540147 in words is "one hundred fifty-four million, five hundred forty thousand, one hundred forty-seven".