154015133 has 2 divisors, whose sum is σ = 154015134. Its totient is φ = 154015132.

The previous prime is 154015129. The next prime is 154015163. The reversal of 154015133 is 331510451.

154015133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95981209 + 58033924 = 9797^2 + 7618^2 .

It is a cyclic number.

It is not a de Polignac number, because 154015133 - 2² = 154015129 is a prime.

It is a super-2 number, since 2×154015133² = 47441322386015378, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154015099 and 154015108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154015163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77007566 + 77007567.

It is an arithmetic number, because the mean of its divisors is an integer number (77007567).

Almost surely, 2^154015133 is an apocalyptic number.

It is an amenable number.

154015133 is a deficient number, since it is larger than the sum of its proper divisors (1).

154015133 is an equidigital number, since it uses as much as digits as its factorization.

154015133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 154015133 is about 12410.2833569585. The cubic root of 154015133 is about 536.0283977770.

Adding to 154015133 its reverse (331510451), we get a palindrome (485525584).

The spelling of 154015133 in words is "one hundred fifty-four million, fifteen thousand, one hundred thirty-three".