154839011 has 2 divisors, whose sum is σ = 154839012. Its totient is φ = 154839010.

The previous prime is 154839007. The next prime is 154839019. The reversal of 154839011 is 110938451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154839011 - 2² = 154839007 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (154839019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77419505 + 77419506.

It is an arithmetic number, because the mean of its divisors is an integer number (77419506).

Almost surely, 2^154839011 is an apocalyptic number.

154839011 is a deficient number, since it is larger than the sum of its proper divisors (1).

154839011 is an equidigital number, since it uses as much as digits as its factorization.

154839011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 154839011 is about 12443.4324444664. The cubic root of 154839011 is about 536.9824963923.

The spelling of 154839011 in words is "one hundred fifty-four million, eight hundred thirty-nine thousand, eleven".