102453252149 has 2 divisors, whose sum is σ = 102453252150. Its totient is φ = 102453252148.

The previous prime is 102453252133. The next prime is 102453252179. The reversal of 102453252149 is 941252354201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89922016900 + 12531235249 = 299870^2 + 111943^2 .

It is a cyclic number.

It is not a de Polignac number, because 102453252149 - 2⁴ = 102453252133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102453252119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51226626074 + 51226626075.

It is an arithmetic number, because the mean of its divisors is an integer number (51226626075).

Almost surely, 2^102453252149 is an apocalyptic number.

It is an amenable number.

102453252149 is a deficient number, since it is larger than the sum of its proper divisors (1).

102453252149 is an equidigital number, since it uses as much as digits as its factorization.

102453252149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 102453252149 in words is "one hundred two billion, four hundred fifty-three million, two hundred fifty-two thousand, one hundred forty-nine".