154005533 has 12 divisors (see below), whose sum is σ = 179238780. Its totient is φ = 131767680.

The previous prime is 154005529. The next prime is 154005547. The reversal of 154005533 is 335500451.

154005533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 80766169 + 73239364 = 8987^2 + 8558^2 .

It is not a de Polignac number, because 154005533 - 2² = 154005529 is a prime.

It is a super-2 number, since 2×154005533² = 47435408389228178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154005233) 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, 35378 + ... + 39491.

It is an arithmetic number, because the mean of its divisors is an integer number (14936565).

Almost surely, 2^154005533 is an apocalyptic number.

It is an amenable number.

154005533 is a deficient number, since it is larger than the sum of its proper divisors (25233247).

154005533 is a wasteful number, since it uses less digits than its factorization.

154005533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74908 (or 74897 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 154005533 is about 12409.8965749115. The cubic root of 154005533 is about 536.0172603876.

Adding to 154005533 its reverse (335500451), we get a palindrome (489505984).

The spelling of 154005533 in words is "one hundred fifty-four million, five thousand, five hundred thirty-three".