145077451717 has 4 divisors (see below), whose sum is σ = 158266310976. Its totient is φ = 131888592460.

The previous prime is 145077451711. The next prime is 145077451789. The reversal of 145077451717 is 717154770541.

145077451717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145077451717 - 2¹⁵ = 145077418949 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 (145077451711) 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 in 3 ways as a sum of consecutive naturals, for example, 6594429613 + ... + 6594429634.

It is an arithmetic number, because the mean of its divisors is an integer number (39566577744).

Almost surely, 2^145077451717 is an apocalyptic number.

It is an amenable number.

145077451717 is a deficient number, since it is larger than the sum of its proper divisors (13188859259).

145077451717 is a wasteful number, since it uses less digits than its factorization.

145077451717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188859258.

The product of its (nonzero) digits is 960400, while the sum is 49.

The spelling of 145077451717 in words is "one hundred forty-five billion, seventy-seven million, four hundred fifty-one thousand, seven hundred seventeen".