150145591 has 2 divisors, whose sum is σ = 150145592. Its totient is φ = 150145590.

The previous prime is 150145579. The next prime is 150145609. The reversal of 150145591 is 195541051.

150145591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150145591 - 2²³ = 141756983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150145991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75072795 + 75072796.

It is an arithmetic number, because the mean of its divisors is an integer number (75072796).

Almost surely, 2^150145591 is an apocalyptic number.

150145591 is a deficient number, since it is larger than the sum of its proper divisors (1).

150145591 is an equidigital number, since it uses as much as digits as its factorization.

150145591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 150145591 is about 12253.3910000457. The cubic root of 150145591 is about 531.5011329195.

The spelling of 150145591 in words is "one hundred fifty million, one hundred forty-five thousand, five hundred ninety-one".