150148391 has 2 divisors, whose sum is σ = 150148392. Its totient is φ = 150148390.

The previous prime is 150148381. The next prime is 150148423. The reversal of 150148391 is 193841051.

150148391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (150148423) can be obtained adding 150148391 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150148391 - 2¹⁴ = 150132007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150148381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75074195 + 75074196.

It is an arithmetic number, because the mean of its divisors is an integer number (75074196).

Almost surely, 2^150148391 is an apocalyptic number.

150148391 is a deficient number, since it is larger than the sum of its proper divisors (1).

150148391 is an equidigital number, since it uses as much as digits as its factorization.

150148391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 150148391 is about 12253.5052535999. The cubic root of 150148391 is about 531.5044368103.

The spelling of 150148391 in words is "one hundred fifty million, one hundred forty-eight thousand, three hundred ninety-one".