145632208049 has 2 divisors, whose sum is σ = 145632208050. Its totient is φ = 145632208048.

The previous prime is 145632208021. The next prime is 145632208063. The reversal of 145632208049 is 940802236541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96390379024 + 49241829025 = 310468^2 + 221905^2 .

It is a cyclic number.

It is not a de Polignac number, because 145632208049 - 2¹² = 145632203953 is a prime.

It is not a weakly prime, because it can be changed into another prime (145632208019) 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, 72816104024 + 72816104025.

It is an arithmetic number, because the mean of its divisors is an integer number (72816104025).

Almost surely, 2^145632208049 is an apocalyptic number.

It is an amenable number.

145632208049 is a deficient number, since it is larger than the sum of its proper divisors (1).

145632208049 is an equidigital number, since it uses as much as digits as its factorization.

145632208049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 145632208049 in words is "one hundred forty-five billion, six hundred thirty-two million, two hundred eight thousand, forty-nine".