145012261633 has 2 divisors, whose sum is σ = 145012261634. Its totient is φ = 145012261632.

The previous prime is 145012261609. The next prime is 145012261699. The reversal of 145012261633 is 336162210541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144284503104 + 727758529 = 379848^2 + 26977^2 .

It is a cyclic number.

It is not a de Polignac number, because 145012261633 - 2¹⁷ = 145012130561 is a prime.

It is not a weakly prime, because it can be changed into another prime (145012261133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72506130816 + 72506130817.

It is an arithmetic number, because the mean of its divisors is an integer number (72506130817).

Almost surely, 2^145012261633 is an apocalyptic number.

It is an amenable number.

145012261633 is a deficient number, since it is larger than the sum of its proper divisors (1).

145012261633 is an equidigital number, since it uses as much as digits as its factorization.

145012261633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 145012261633 in words is "one hundred forty-five billion, twelve million, two hundred sixty-one thousand, six hundred thirty-three".