150241997 has 2 divisors, whose sum is σ = 150241998. Its totient is φ = 150241996.

The previous prime is 150241969. The next prime is 150242041. The reversal of 150241997 is 799142051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126922756 + 23319241 = 11266^2 + 4829^2 .

It is a cyclic number.

It is not a de Polignac number, because 150241997 - 2⁶ = 150241933 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150241997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150241967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75120998 + 75120999.

It is an arithmetic number, because the mean of its divisors is an integer number (75120999).

Almost surely, 2^150241997 is an apocalyptic number.

It is an amenable number.

150241997 is a deficient number, since it is larger than the sum of its proper divisors (1).

150241997 is an equidigital number, since it uses as much as digits as its factorization.

150241997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 150241997 is about 12257.3242186050. The cubic root of 150241997 is about 531.6148646094.

The spelling of 150241997 in words is "one hundred fifty million, two hundred forty-one thousand, nine hundred ninety-seven".