154234369 has 2 divisors, whose sum is σ = 154234370. Its totient is φ = 154234368.

The previous prime is 154234357. The next prime is 154234403. The reversal of 154234369 is 963432451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151609969 + 2624400 = 12313^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 154234369 - 2¹¹ = 154232321 is a prime.

It is a super-2 number, since 2×154234369² = 47576481161656322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (154232369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77117184 + 77117185.

It is an arithmetic number, because the mean of its divisors is an integer number (77117185).

Almost surely, 2^154234369 is an apocalyptic number.

It is an amenable number.

154234369 is a deficient number, since it is larger than the sum of its proper divisors (1).

154234369 is an equidigital number, since it uses as much as digits as its factorization.

154234369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 154234369 is about 12419.1130520662. The cubic root of 154234369 is about 536.2826173961.

The spelling of 154234369 in words is "one hundred fifty-four million, two hundred thirty-four thousand, three hundred sixty-nine".