154530243 has 12 divisors (see below), whose sum is σ = 255097648. Its totient is φ = 88302960.

The previous prime is 154530223. The next prime is 154530247. The reversal of 154530243 is 342035451.

It is not a de Polignac number, because 154530243 - 2¹² = 154526147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154530247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1226368 + ... + 1226493.

Almost surely, 2^154530243 is an apocalyptic number.

154530243 is a deficient number, since it is larger than the sum of its proper divisors (100567405).

154530243 is a wasteful number, since it uses less digits than its factorization.

154530243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452874 (or 2452871 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 154530243 is about 12431.0193870012. The cubic root of 154530243 is about 536.6253225269.

Adding to 154530243 its reverse (342035451), we get a palindrome (496565694).

The spelling of 154530243 in words is "one hundred fifty-four million, five hundred thirty thousand, two hundred forty-three".