150645491 has 2 divisors, whose sum is σ = 150645492. Its totient is φ = 150645490.

The previous prime is 150645437. The next prime is 150645497. The reversal of 150645491 is 194546051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150645491 - 2¹⁴ = 150629107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150645497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75322745 + 75322746.

It is an arithmetic number, because the mean of its divisors is an integer number (75322746).

Almost surely, 2^150645491 is an apocalyptic number.

150645491 is a deficient number, since it is larger than the sum of its proper divisors (1).

150645491 is an equidigital number, since it uses as much as digits as its factorization.

150645491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 150645491 is about 12273.7724844483. The cubic root of 150645491 is about 532.0903456623.

The spelling of 150645491 in words is "one hundred fifty million, six hundred forty-five thousand, four hundred ninety-one".