150182009 has 2 divisors, whose sum is σ = 150182010. Its totient is φ = 150182008.

The previous prime is 150181991. The next prime is 150182047. The reversal of 150182009 is 900281051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129049600 + 21132409 = 11360^2 + 4597^2 .

It is a cyclic number.

It is not a de Polignac number, because 150182009 - 2⁸ = 150181753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (150182069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75091004 + 75091005.

It is an arithmetic number, because the mean of its divisors is an integer number (75091005).

Almost surely, 2^150182009 is an apocalyptic number.

It is an amenable number.

150182009 is a deficient number, since it is larger than the sum of its proper divisors (1).

150182009 is an equidigital number, since it uses as much as digits as its factorization.

150182009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 150182009 is about 12254.8769475666. The cubic root of 150182009 is about 531.5441015328.

The spelling of 150182009 in words is "one hundred fifty million, one hundred eighty-two thousand, nine".