145887816548 has 24 divisors (see below), whose sum is σ = 261776941440. Its totient is φ = 71097756480.

The previous prime is 145887816541. The next prime is 145887816551. The reversal of 145887816548 is 845618788541.

It is not an unprimeable number, because it can be changed into a prime (145887816541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244088 + ... + 592751.

It is an arithmetic number, because the mean of its divisors is an integer number (10907372560).

Almost surely, 2^145887816548 is an apocalyptic number.

It is an amenable number.

145887816548 is a deficient number, since it is larger than the sum of its proper divisors (115889124892).

145887816548 is a wasteful number, since it uses less digits than its factorization.

145887816548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837947 (or 837945 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 65.

The spelling of 145887816548 in words is "one hundred forty-five billion, eight hundred eighty-seven million, eight hundred sixteen thousand, five hundred forty-eight".