145185648 has 40 divisors (see below), whose sum is σ = 387165696. Its totient is φ = 46833600.

The previous prime is 145185619. The next prime is 145185671. The reversal of 145185648 is 846581541.

145185648 is digitally balanced in base 2, 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 7 ways as a sum of consecutive naturals, for example, 47298 + ... + 50273.

Almost surely, 2^145185648 is an apocalyptic number.

It is an amenable number.

145185648 is an abundant number, since it is smaller than the sum of its proper divisors (241980048).

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

145185648 is a wasteful number, since it uses less digits than its factorization.

145185648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97613 (or 97607 counting only the distinct ones).

The product of its digits is 153600, while the sum is 42.

The square root of 145185648 is about 12049.3007265982. The cubic root of 145185648 is about 525.5829026824.

The spelling of 145185648 in words is "one hundred forty-five million, one hundred eighty-five thousand, six hundred forty-eight".