150643901 has 2 divisors, whose sum is σ = 150643902. Its totient is φ = 150643900.

The previous prime is 150643897. The next prime is 150643937. The reversal of 150643901 is 109346051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149695225 + 948676 = 12235^2 + 974^2 .

It is an emirp because it is prime and its reverse (109346051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150643901 - 2² = 150643897 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150643991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75321950 + 75321951.

It is an arithmetic number, because the mean of its divisors is an integer number (75321951).

Almost surely, 2^150643901 is an apocalyptic number.

It is an amenable number.

150643901 is a deficient number, since it is larger than the sum of its proper divisors (1).

150643901 is an equidigital number, since it uses as much as digits as its factorization.

150643901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 150643901 is about 12273.7077120160. The cubic root of 150643901 is about 532.0884736589.

Adding to 150643901 its reverse (109346051), we get a palindrome (259989952).

The spelling of 150643901 in words is "one hundred fifty million, six hundred forty-three thousand, nine hundred one".