154452133 has 4 divisors (see below), whose sum is σ = 168493248. Its totient is φ = 140411020.

The previous prime is 154452091. The next prime is 154452139. The reversal of 154452133 is 331254451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154452133 - 2⁹ = 154451621 is a prime.

It is a super-2 number, since 2×154452133² = 47710922776499378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154452139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7020541 + ... + 7020562.

It is an arithmetic number, because the mean of its divisors is an integer number (42123312).

Almost surely, 2^154452133 is an apocalyptic number.

It is an amenable number.

154452133 is a deficient number, since it is larger than the sum of its proper divisors (14041115).

154452133 is a wasteful number, since it uses less digits than its factorization.

154452133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14041114.

The product of its digits is 7200, while the sum is 28.

The square root of 154452133 is about 12427.8772523710. The cubic root of 154452133 is about 536.5348917532.

It can be divided in two parts, 15445 and 2133, that added together give a triangular number (17578 = T₁₈₇).

The spelling of 154452133 in words is "one hundred fifty-four million, four hundred fifty-two thousand, one hundred thirty-three".