145489656 has 64 divisors (see below), whose sum is σ = 393109920. Its totient is φ = 44605440.

The previous prime is 145489633. The next prime is 145489667. The reversal of 145489656 is 656984541.

145489656 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 109476 + ... + 110796.

Almost surely, 2^145489656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145489656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196554960).

145489656 is an abundant number, since it is smaller than the sum of its proper divisors (247620264).

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

145489656 is a wasteful number, since it uses less digits than its factorization.

145489656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1692 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 145489656 is about 12061.9093015990. The cubic root of 145489656 is about 525.9494908297.

The spelling of 145489656 in words is "one hundred forty-five million, four hundred eighty-nine thousand, six hundred fifty-six".