149196312457 has 2 divisors, whose sum is σ = 149196312458. Its totient is φ = 149196312456.

The previous prime is 149196312431. The next prime is 149196312467. The reversal of 149196312457 is 754213691941.

It is a happy number.

149196312457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127121484681 + 22074827776 = 356541^2 + 148576^2 .

It is a cyclic number.

It is not a de Polignac number, because 149196312457 - 2¹¹ = 149196310409 is a prime.

It is not a weakly prime, because it can be changed into another prime (149196312467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74598156228 + 74598156229.

It is an arithmetic number, because the mean of its divisors is an integer number (74598156229).

Almost surely, 2^149196312457 is an apocalyptic number.

It is an amenable number.

149196312457 is a deficient number, since it is larger than the sum of its proper divisors (1).

149196312457 is an equidigital number, since it uses as much as digits as its factorization.

149196312457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The spelling of 149196312457 in words is "one hundred forty-nine billion, one hundred ninety-six million, three hundred twelve thousand, four hundred fifty-seven".