154340101 has 2 divisors, whose sum is σ = 154340102. Its totient is φ = 154340100.

The previous prime is 154340099. The next prime is 154340111. The reversal of 154340101 is 101043451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107143201 + 47196900 = 10351^2 + 6870^2 .

It is an emirp because it is prime and its reverse (101043451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154340101 - 2¹ = 154340099 is a prime.

Together with 154340099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154340111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77170050 + 77170051.

It is an arithmetic number, because the mean of its divisors is an integer number (77170051).

Almost surely, 2^154340101 is an apocalyptic number.

It is an amenable number.

154340101 is a deficient number, since it is larger than the sum of its proper divisors (1).

154340101 is an equidigital number, since it uses as much as digits as its factorization.

154340101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 154340101 is about 12423.3691485040. The cubic root of 154340101 is about 536.4051350122.

Adding to 154340101 its reverse (101043451), we get a palindrome (255383552).

The spelling of 154340101 in words is "one hundred fifty-four million, three hundred forty thousand, one hundred one".