154082869 has 2 divisors, whose sum is σ = 154082870. Its totient is φ = 154082868.

The previous prime is 154082867. The next prime is 154082891. The reversal of 154082869 is 968280451.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83942244 + 70140625 = 9162^2 + 8375^2 .

It is a cyclic number.

It is not a de Polignac number, because 154082869 - 2¹ = 154082867 is a prime.

It is a super-2 number, since 2×154082869² = 47483061038542322, which contains 22 as substring.

Together with 154082867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154082861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77041434 + 77041435.

It is an arithmetic number, because the mean of its divisors is an integer number (77041435).

Almost surely, 2^154082869 is an apocalyptic number.

It is an amenable number.

154082869 is a deficient number, since it is larger than the sum of its proper divisors (1).

154082869 is an equidigital number, since it uses as much as digits as its factorization.

154082869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 154082869 is about 12413.0120840995. The cubic root of 154082869 is about 536.1069681904.

The spelling of 154082869 in words is "one hundred fifty-four million, eighty-two thousand, eight hundred sixty-nine".