145893450648 has 64 divisors (see below), whose sum is σ = 405398649600. Its totient is φ = 43375978880.

The previous prime is 145893450617. The next prime is 145893450671. The reversal of 145893450648 is 846054398541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5199468 + ... + 5227451.

It is an arithmetic number, because the mean of its divisors is an integer number (6334353900).

Almost surely, 2^145893450648 is an apocalyptic number.

It is an amenable number.

145893450648 is an abundant number, since it is smaller than the sum of its proper divisors (259505198952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145893450648 is a wasteful number, since it uses less digits than its factorization.

145893450648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426992 (or 10426988 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 57.

The spelling of 145893450648 in words is "one hundred forty-five billion, eight hundred ninety-three million, four hundred fifty thousand, six hundred forty-eight".