154242113 has 2 divisors, whose sum is σ = 154242114. Its totient is φ = 154242112.

The previous prime is 154242103. The next prime is 154242119. The reversal of 154242113 is 311242451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111365809 + 42876304 = 10553^2 + 6548^2 .

It is a cyclic number.

It is not a de Polignac number, because 154242113 - 2¹² = 154238017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154242119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77121056 + 77121057.

It is an arithmetic number, because the mean of its divisors is an integer number (77121057).

Almost surely, 2^154242113 is an apocalyptic number.

It is an amenable number.

154242113 is a deficient number, since it is larger than the sum of its proper divisors (1).

154242113 is an equidigital number, since it uses as much as digits as its factorization.

154242113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 154242113 is about 12419.4248256511. The cubic root of 154242113 is about 536.2915927045.

Adding to 154242113 its reverse (311242451), we get a palindrome (465484564).

The spelling of 154242113 in words is "one hundred fifty-four million, two hundred forty-two thousand, one hundred thirteen".