154500332009 has 2 divisors, whose sum is σ = 154500332010. Its totient is φ = 154500332008.

The previous prime is 154500331981. The next prime is 154500332047. The reversal of 154500332009 is 900233005451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124236510784 + 30263821225 = 352472^2 + 173965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154500332009 is a prime.

It is not a weakly prime, because it can be changed into another prime (154500332209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77250166004 + 77250166005.

It is an arithmetic number, because the mean of its divisors is an integer number (77250166005).

Almost surely, 2^154500332009 is an apocalyptic number.

It is an amenable number.

154500332009 is a deficient number, since it is larger than the sum of its proper divisors (1).

154500332009 is an equidigital number, since it uses as much as digits as its factorization.

154500332009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The spelling of 154500332009 in words is "one hundred fifty-four billion, five hundred million, three hundred thirty-two thousand, nine".