245573346745 has 8 divisors (see below), whose sum is σ = 312022605384. Its totient is φ = 184902284544.

The previous prime is 245573346727. The next prime is 245573346773. The reversal of 245573346745 is 547643375542.

It can be written as a sum of positive squares in 4 ways, for example, as 9621255744 + 235952091001 = 98088^2 + 485749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245573346745 - 2³⁷ = 108134393273 is a prime.

It is a super-3 number, since 3×245573346745³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444549014 + ... + 1444549183.

It is an arithmetic number, because the mean of its divisors is an integer number (39002825673).

Almost surely, 2^245573346745 is an apocalyptic number.

It is an amenable number.

245573346745 is a deficient number, since it is larger than the sum of its proper divisors (66449258639).

245573346745 is a wasteful number, since it uses less digits than its factorization.

245573346745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889098219.

The product of its digits is 42336000, while the sum is 55.

The spelling of 245573346745 in words is "two hundred forty-five billion, five hundred seventy-three million, three hundred forty-six thousand, seven hundred forty-five".