154645133 has 8 divisors (see below), whose sum is σ = 156896376. Its totient is φ = 152409600.

The previous prime is 154645111. The next prime is 154645147. The reversal of 154645133 is 331546451.

It can be written as a sum of positive squares in 4 ways, for example, as 24730729 + 129914404 = 4973^2 + 11398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154645133 - 2⁶ = 154645069 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 154645133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154645103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16673 + ... + 24233.

It is an arithmetic number, because the mean of its divisors is an integer number (19612047).

Almost surely, 2^154645133 is an apocalyptic number.

It is an amenable number.

154645133 is a deficient number, since it is larger than the sum of its proper divisors (2251243).

154645133 is a wasteful number, since it uses less digits than its factorization.

154645133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855.

The product of its digits is 21600, while the sum is 32.

The square root of 154645133 is about 12435.6396297094. The cubic root of 154645133 is about 536.7582794791.

The spelling of 154645133 in words is "one hundred fifty-four million, six hundred forty-five thousand, one hundred thirty-three".