154828249 has 9 divisors (see below), whose sum is σ = 162152319. Its totient is φ = 147822840.

The previous prime is 154828237. The next prime is 154828273. The reversal of 154828249 is 942828451.

154828249 = 255² + 256² + ... + 783².

The square root of 154828249 is 12443.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 61512649 + 93315600 = 7843^2 + 9660^2 .

It is not a de Polignac number, because 154828249 - 2⁵ = 154828217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154825249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 285919 + ... + 286459.

Almost surely, 2^154828249 is an apocalyptic number.

154828249 is the 12443-rd square number.

154828249 is the 6222-nd centered octagonal number.

It is an amenable number.

154828249 is a deficient number, since it is larger than the sum of its proper divisors (7324070).

154828249 is an frugal number, since it uses more digits than its factorization.

154828249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128 (or 564 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The cubic root of 154828249 is about 536.9700552134.

The spelling of 154828249 in words is "one hundred fifty-four million, eight hundred twenty-eight thousand, two hundred forty-nine".