245664453164 has 24 divisors (see below), whose sum is σ = 463058159088. Its totient is φ = 113365189440.

The previous prime is 245664453109. The next prime is 245664453257. The reversal of 245664453164 is 461354466542.

It is a happy number.

245664453164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245664453164² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57347 + ... + 703290.

It is an arithmetic number, because the mean of its divisors is an integer number (19294089962).

Almost surely, 2^245664453164 is an apocalyptic number.

It is an amenable number.

245664453164 is a deficient number, since it is larger than the sum of its proper divisors (217393705924).

245664453164 is a wasteful number, since it uses less digits than its factorization.

245664453164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766865 (or 766863 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 50.

The spelling of 245664453164 in words is "two hundred forty-five billion, six hundred sixty-four million, four hundred fifty-three thousand, one hundred sixty-four".