154388651 has 2 divisors, whose sum is σ = 154388652. Its totient is φ = 154388650.

The previous prime is 154388617. The next prime is 154388653. The reversal of 154388651 is 156883451.

154388651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154388651 is a prime.

Together with 154388653, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 154388599 and 154388608.

It is not a weakly prime, because it can be changed into another prime (154388653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77194325 + 77194326.

It is an arithmetic number, because the mean of its divisors is an integer number (77194326).

Almost surely, 2^154388651 is an apocalyptic number.

154388651 is a deficient number, since it is larger than the sum of its proper divisors (1).

154388651 is an equidigital number, since it uses as much as digits as its factorization.

154388651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 41.

The square root of 154388651 is about 12425.3229736695. The cubic root of 154388651 is about 536.4613738832.

The spelling of 154388651 in words is "one hundred fifty-four million, three hundred eighty-eight thousand, six hundred fifty-one".