705455064145 has 16 divisors (see below), whose sum is σ = 936304603920. Its totient is φ = 506871661824.

The previous prime is 705455064103. The next prime is 705455064169. The reversal of 705455064145 is 541460554507.

It can be written as a sum of positive squares in 8 ways, for example, as 69206351041 + 636248713104 = 263071^2 + 797652^2 .

It is a cyclic number.

It is not a de Polignac number, because 705455064145 - 2¹³ = 705455055953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 705455064095 and 705455064104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146661850 + ... + 146666659.

It is an arithmetic number, because the mean of its divisors is an integer number (58519037745).

Almost surely, 2^705455064145 is an apocalyptic number.

It is an amenable number.

705455064145 is a deficient number, since it is larger than the sum of its proper divisors (230849539775).

705455064145 is a wasteful number, since it uses less digits than its factorization.

705455064145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293328564.

The product of its (nonzero) digits is 1680000, while the sum is 46.

The spelling of 705455064145 in words is "seven hundred five billion, four hundred fifty-five million, sixty-four thousand, one hundred forty-five".