150506689 has 2 divisors, whose sum is σ = 150506690. Its totient is φ = 150506688.

The previous prime is 150506677. The next prime is 150506701. The reversal of 150506689 is 986605051.

It is a balanced prime because it is at equal distance from previous prime (150506677) and next prime (150506701).

It can be written as a sum of positive squares in only one way, i.e., 131217025 + 19289664 = 11455^2 + 4392^2 .

It is a cyclic number.

It is not a de Polignac number, because 150506689 - 2⁷ = 150506561 is a prime.

It is not a weakly prime, because it can be changed into another prime (150506789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75253344 + 75253345.

It is an arithmetic number, because the mean of its divisors is an integer number (75253345).

Almost surely, 2^150506689 is an apocalyptic number.

It is an amenable number.

150506689 is a deficient number, since it is larger than the sum of its proper divisors (1).

150506689 is an equidigital number, since it uses as much as digits as its factorization.

150506689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 150506689 is about 12268.1167666435. The cubic root of 150506689 is about 531.9268760086.

The spelling of 150506689 in words is "one hundred fifty million, five hundred six thousand, six hundred eighty-nine".