154540233 has 12 divisors (see below), whose sum is σ = 226369728. Its totient is φ = 101575320.

The previous prime is 154540219. The next prime is 154540283. The reversal of 154540233 is 332045451.

It is not a de Polignac number, because 154540233 - 2¹⁴ = 154523849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154540197 and 154540206.

It is not an unprimeable number, because it can be changed into a prime (154540283) 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, 120285 + ... + 121562.

It is an arithmetic number, because the mean of its divisors is an integer number (18864144).

Almost surely, 2^154540233 is an apocalyptic number.

It is an amenable number.

154540233 is a deficient number, since it is larger than the sum of its proper divisors (71829495).

154540233 is a wasteful number, since it uses less digits than its factorization.

154540233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241924 (or 241921 counting only the distinct ones).

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

The square root of 154540233 is about 12431.4211979162. The cubic root of 154540233 is about 536.6368861133.

Adding to 154540233 its reverse (332045451), we get a palindrome (486585684).

The spelling of 154540233 in words is "one hundred fifty-four million, five hundred forty thousand, two hundred thirty-three".