150507689 has 2 divisors, whose sum is σ = 150507690. Its totient is φ = 150507688.

The previous prime is 150507649. The next prime is 150507691. The reversal of 150507689 is 986705051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122766400 + 27741289 = 11080^2 + 5267^2 .

It is a cyclic number.

It is not a de Polignac number, because 150507689 - 2¹² = 150503593 is a prime.

Together with 150507691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150507619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75253844 + 75253845.

It is an arithmetic number, because the mean of its divisors is an integer number (75253845).

Almost surely, 2^150507689 is an apocalyptic number.

It is an amenable number.

150507689 is a deficient number, since it is larger than the sum of its proper divisors (1).

150507689 is an equidigital number, since it uses as much as digits as its factorization.

150507689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 150507689 is about 12268.1575226274. The cubic root of 150507689 is about 531.9280540863.

The spelling of 150507689 in words is "one hundred fifty million, five hundred seven thousand, six hundred eighty-nine".