154223415089 has 2 divisors, whose sum is σ = 154223415090. Its totient is φ = 154223415088.

The previous prime is 154223415029. The next prime is 154223415091. The reversal of 154223415089 is 980514322451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149775192064 + 4448223025 = 387008^2 + 66695^2 .

It is a cyclic number.

It is not a de Polignac number, because 154223415089 - 2⁸ = 154223414833 is a prime.

Together with 154223415091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154223415029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77111707544 + 77111707545.

It is an arithmetic number, because the mean of its divisors is an integer number (77111707545).

Almost surely, 2^154223415089 is an apocalyptic number.

It is an amenable number.

154223415089 is a deficient number, since it is larger than the sum of its proper divisors (1).

154223415089 is an equidigital number, since it uses as much as digits as its factorization.

154223415089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 154223415089 in words is "one hundred fifty-four billion, two hundred twenty-three million, four hundred fifteen thousand, eighty-nine".