150078689 has 2 divisors, whose sum is σ = 150078690. Its totient is φ = 150078688.

The previous prime is 150078679. The next prime is 150078751. The reversal of 150078689 is 986870051.

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., 130142464 + 19936225 = 11408^2 + 4465^2 .

It is a cyclic number.

It is not a de Polignac number, because 150078689 - 2¹² = 150074593 is a prime.

It is a super-2 number, since 2×150078689² = 45047225783917442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150078619) 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, 75039344 + 75039345.

It is an arithmetic number, because the mean of its divisors is an integer number (75039345).

Almost surely, 2^150078689 is an apocalyptic number.

It is an amenable number.

150078689 is a deficient number, since it is larger than the sum of its proper divisors (1).

150078689 is an equidigital number, since it uses as much as digits as its factorization.

150078689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 150078689 is about 12250.6607576898. The cubic root of 150078689 is about 531.4221789494.

The spelling of 150078689 in words is "one hundred fifty million, seventy-eight thousand, six hundred eighty-nine".