145104817761791 has 16 divisors (see below), whose sum is σ = 154956434054400. Its totient is φ = 135576739603200.

The previous prime is 145104817761773. The next prime is 145104817761829. The reversal of 145104817761791 is 197167718401541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145104817761791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145104817761731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21143555 + ... + 27152523.

It is an arithmetic number, because the mean of its divisors is an integer number (9684777128400).

Almost surely, 2^{145104817761791} is an apocalyptic number.

145104817761791 is a deficient number, since it is larger than the sum of its proper divisors (9851616292609).

145104817761791 is a wasteful number, since it uses less digits than its factorization.

145104817761791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035890.

The product of its (nonzero) digits is 11854080, while the sum is 62.

The spelling of 145104817761791 in words is "one hundred forty-five trillion, one hundred four billion, eight hundred seventeen million, seven hundred sixty-one thousand, seven hundred ninety-one".