154346089 has 2 divisors, whose sum is σ = 154346090. Its totient is φ = 154346088.

The previous prime is 154346083. The next prime is 154346141. The reversal of 154346089 is 980643451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127306089 + 27040000 = 11283^2 + 5200^2 .

It is a cyclic number.

It is not a de Polignac number, because 154346089 - 2³ = 154346081 is a prime.

It is not a weakly prime, because it can be changed into another prime (154346081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77173044 + 77173045.

It is an arithmetic number, because the mean of its divisors is an integer number (77173045).

Almost surely, 2^154346089 is an apocalyptic number.

It is an amenable number.

154346089 is a deficient number, since it is larger than the sum of its proper divisors (1).

154346089 is an equidigital number, since it uses as much as digits as its factorization.

154346089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 154346089 is about 12423.6101435935. The cubic root of 154346089 is about 536.4120719703.

The spelling of 154346089 in words is "one hundred fifty-four million, three hundred forty-six thousand, eighty-nine".