245453045645 has 8 divisors (see below), whose sum is σ = 295214599680. Its totient is φ = 195915139920.

The previous prime is 245453045639. The next prime is 245453045647. The reversal of 245453045645 is 546540354542.

245453045645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 245453045645 - 2⁸ = 245453045389 is a prime.

It is a super-3 number, since 3×245453045645³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245453045645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245453045647) 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 7 ways as a sum of consecutive naturals, for example, 55909661 + ... + 55914050.

It is an arithmetic number, because the mean of its divisors is an integer number (36901824960).

Almost surely, 2^245453045645 is an apocalyptic number.

It is an amenable number.

245453045645 is a deficient number, since it is larger than the sum of its proper divisors (49761554035).

245453045645 is a wasteful number, since it uses less digits than its factorization.

245453045645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111824155.

The product of its (nonzero) digits is 5760000, while the sum is 47.

The spelling of 245453045645 in words is "two hundred forty-five billion, four hundred fifty-three million, forty-five thousand, six hundred forty-five".