150448891 has 2 divisors, whose sum is σ = 150448892. Its totient is φ = 150448890.

The previous prime is 150448877. The next prime is 150448913. The reversal of 150448891 is 198844051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150448891 - 2⁹ = 150448379 is a prime.

It is not a weakly prime, because it can be changed into another prime (150448591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75224445 + 75224446.

It is an arithmetic number, because the mean of its divisors is an integer number (75224446).

Almost surely, 2^150448891 is an apocalyptic number.

150448891 is a deficient number, since it is larger than the sum of its proper divisors (1).

150448891 is an equidigital number, since it uses as much as digits as its factorization.

150448891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 150448891 is about 12265.7609221768. The cubic root of 150448891 is about 531.8587766080.

The spelling of 150448891 in words is "one hundred fifty million, four hundred forty-eight thousand, eight hundred ninety-one".