149957230901 has 2 divisors, whose sum is σ = 149957230902. Its totient is φ = 149957230900.

The previous prime is 149957230889. The next prime is 149957230931. The reversal of 149957230901 is 109032759941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84178318225 + 65778912676 = 290135^2 + 256474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149957230901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149957230901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149957230931) 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, 74978615450 + 74978615451.

It is an arithmetic number, because the mean of its divisors is an integer number (74978615451).

Almost surely, 2^149957230901 is an apocalyptic number.

It is an amenable number.

149957230901 is a deficient number, since it is larger than the sum of its proper divisors (1).

149957230901 is an equidigital number, since it uses as much as digits as its factorization.

149957230901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 149957230901 in words is "one hundred forty-nine billion, nine hundred fifty-seven million, two hundred thirty thousand, nine hundred one".