154054531233 has 20 divisors (see below), whose sum is σ = 243667953540. Its totient is φ = 96661665792.

The previous prime is 154054531229. The next prime is 154054531249. The reversal of 154054531233 is 332135450451.

154054531233 is a `hidden beast` number, since 1 + 5 + 40 + 54 + 531 + 2 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66101952609 + 87952578624 = 257103^2 + 296568^2 .

It is not a de Polignac number, because 154054531233 - 2² = 154054531229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154054531273) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55937088 + ... + 55939841.

It is an arithmetic number, because the mean of its divisors is an integer number (12183397677).

Almost surely, 2^154054531233 is an apocalyptic number.

It is an amenable number.

154054531233 is a deficient number, since it is larger than the sum of its proper divisors (89613422307).

154054531233 is a wasteful number, since it uses less digits than its factorization.

154054531233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111876958 (or 111876949 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 154054531233 its reverse (332135450451), we get a palindrome (486189981684).

The spelling of 154054531233 in words is "one hundred fifty-four billion, fifty-four million, five hundred thirty-one thousand, two hundred thirty-three".