145928178 has 48 divisors (see below), whose sum is σ = 347828832. Its totient is φ = 44213400.

The previous prime is 145928171. The next prime is 145928179. The reversal of 145928178 is 871829541.

145928178 is a `hidden beast` number, since 1 + 459 + 28 + 178 = 666.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (145928171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20913 + ... + 27003.

It is an arithmetic number, because the mean of its divisors is an integer number (7246434).

Almost surely, 2^145928178 is an apocalyptic number.

145928178 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145928178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173914416).

145928178 is an abundant number, since it is smaller than the sum of its proper divisors (201900654).

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

145928178 is a wasteful number, since it uses less digits than its factorization.

145928178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132 (or 6107 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 145928178 is about 12080.0735924911. The cubic root of 145928178 is about 526.4773842229.

The spelling of 145928178 in words is "one hundred forty-five million, nine hundred twenty-eight thousand, one hundred seventy-eight".