145438456888 has 16 divisors (see below), whose sum is σ = 272701737000. Its totient is φ = 72717993696.

The previous prime is 145438456847. The next prime is 145438456907. The reversal of 145438456888 is 888654834541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519103 + ... + 748561.

Almost surely, 2^145438456888 is an apocalyptic number.

It is an amenable number.

145438456888 is a deficient number, since it is larger than the sum of its proper divisors (127263280112).

145438456888 is a wasteful number, since it uses less digits than its factorization.

145438456888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308694 (or 308690 counting only the distinct ones).

The product of its digits is 117964800, while the sum is 64.

The spelling of 145438456888 in words is "one hundred forty-five billion, four hundred thirty-eight million, four hundred fifty-six thousand, eight hundred eighty-eight".