145691064833 has 2 divisors, whose sum is σ = 145691064834. Its totient is φ = 145691064832.

The previous prime is 145691064817. The next prime is 145691064881. The reversal of 145691064833 is 338460196541.

145691064833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128147532529 + 17543532304 = 357977^2 + 132452^2 .

It is an emirp because it is prime and its reverse (338460196541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145691064833 - 2⁴ = 145691064817 is a prime.

It is not a weakly prime, because it can be changed into another prime (145691064133) 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, 72845532416 + 72845532417.

It is an arithmetic number, because the mean of its divisors is an integer number (72845532417).

Almost surely, 2^145691064833 is an apocalyptic number.

It is an amenable number.

145691064833 is a deficient number, since it is larger than the sum of its proper divisors (1).

145691064833 is an equidigital number, since it uses as much as digits as its factorization.

145691064833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 145691064833 in words is "one hundred forty-five billion, six hundred ninety-one million, sixty-four thousand, eight hundred thirty-three".