150445993 has 2 divisors, whose sum is σ = 150445994. Its totient is φ = 150445992.

The previous prime is 150445979. The next prime is 150446017. The reversal of 150445993 is 399544051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135792409 + 14653584 = 11653^2 + 3828^2 .

It is a cyclic number.

It is not a de Polignac number, because 150445993 - 2⁵ = 150445961 is a prime.

It is not a weakly prime, because it can be changed into another prime (150445943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75222996 + 75222997.

It is an arithmetic number, because the mean of its divisors is an integer number (75222997).

Almost surely, 2^150445993 is an apocalyptic number.

It is an amenable number.

150445993 is a deficient number, since it is larger than the sum of its proper divisors (1).

150445993 is an equidigital number, since it uses as much as digits as its factorization.

150445993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 150445993 is about 12265.6427878852. The cubic root of 150445993 is about 531.8553616352.

The spelling of 150445993 in words is "one hundred fifty million, four hundred forty-five thousand, nine hundred ninety-three".