150665533 has 2 divisors, whose sum is σ = 150665534. Its totient is φ = 150665532.

The previous prime is 150665467. The next prime is 150665539. The reversal of 150665533 is 335566051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99141849 + 51523684 = 9957^2 + 7178^2 .

It is an emirp because it is prime and its reverse (335566051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150665533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150665539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75332766 + 75332767.

It is an arithmetic number, because the mean of its divisors is an integer number (75332767).

Almost surely, 2^150665533 is an apocalyptic number.

It is an amenable number.

150665533 is a deficient number, since it is larger than the sum of its proper divisors (1).

150665533 is an equidigital number, since it uses as much as digits as its factorization.

150665533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 150665533 is about 12274.5889136867. The cubic root of 150665533 is about 532.1139411950.

The spelling of 150665533 in words is "one hundred fifty million, six hundred sixty-five thousand, five hundred thirty-three".