245322501646 has 8 divisors (see below), whose sum is σ = 368193674304. Its totient is φ = 122591276880.

The previous prime is 245322501623. The next prime is 245322501649. The reversal of 245322501646 is 646105223542.

It is a happy number.

245322501646 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 a junction number, because it is equal to n+sod(n) for n = 245322501599 and 245322501608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245322501649) 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, 34982590 + ... + 34989601.

It is an arithmetic number, because the mean of its divisors is an integer number (46024209288).

Almost surely, 2^245322501646 is an apocalyptic number.

245322501646 is a deficient number, since it is larger than the sum of its proper divisors (122871172658).

245322501646 is a wasteful number, since it uses less digits than its factorization.

245322501646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69973946.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 245322501646 in words is "two hundred forty-five billion, three hundred twenty-two million, five hundred one thousand, six hundred forty-six".