150400109 has 2 divisors, whose sum is σ = 150400110. Its totient is φ = 150400108.

The previous prime is 150400099. The next prime is 150400157. The reversal of 150400109 is 901004051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107536900 + 42863209 = 10370^2 + 6547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150400109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150400169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75200054 + 75200055.

It is an arithmetic number, because the mean of its divisors is an integer number (75200055).

Almost surely, 2^150400109 is an apocalyptic number.

It is an amenable number.

150400109 is a deficient number, since it is larger than the sum of its proper divisors (1).

150400109 is an equidigital number, since it uses as much as digits as its factorization.

150400109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 150400109 is about 12263.7722173889. The cubic root of 150400109 is about 531.8012865653.

The spelling of 150400109 in words is "one hundred fifty million, four hundred thousand, one hundred nine".