145945618964 has 6 divisors (see below), whose sum is σ = 255404833194. Its totient is φ = 72972809480.

The previous prime is 145945618927. The next prime is 145945618967. The reversal of 145945618964 is 469816549541.

It can be written as a sum of positive squares in only one way, i.e., 139458927364 + 6486691600 = 373442^2 + 80540^2 .

It is a junction number, because it is equal to n+sod(n) for n = 145945618897 and 145945618906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145945618967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18243202367 + ... + 18243202374.

It is an arithmetic number, because the mean of its divisors is an integer number (42567472199).

Almost surely, 2^145945618964 is an apocalyptic number.

It is an amenable number.

145945618964 is a deficient number, since it is larger than the sum of its proper divisors (109459214230).

145945618964 is a wasteful number, since it uses less digits than its factorization.

145945618964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36486404745 (or 36486404743 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 62.

The spelling of 145945618964 in words is "one hundred forty-five billion, nine hundred forty-five million, six hundred eighteen thousand, nine hundred sixty-four".