150734209 has 2 divisors, whose sum is σ = 150734210. Its totient is φ = 150734208.

The previous prime is 150734197. The next prime is 150734231. The reversal of 150734209 is 902437051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123276609 + 27457600 = 11103^2 + 5240^2 .

It is a cyclic number.

It is not a de Polignac number, because 150734209 - 2¹⁷ = 150603137 is a prime.

It is not a weakly prime, because it can be changed into another prime (150734299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75367104 + 75367105.

It is an arithmetic number, because the mean of its divisors is an integer number (75367105).

Almost surely, 2^150734209 is an apocalyptic number.

It is an amenable number.

150734209 is a deficient number, since it is larger than the sum of its proper divisors (1).

150734209 is an equidigital number, since it uses as much as digits as its factorization.

150734209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 150734209 is about 12277.3860817358. The cubic root of 150734209 is about 532.1947778785.

The spelling of 150734209 in words is "one hundred fifty million, seven hundred thirty-four thousand, two hundred nine".