194142528 has 112 divisors (see below), whose sum is σ = 574202560. Its totient is φ = 64323072.

The previous prime is 194142521. The next prime is 194142539. The reversal of 194142528 is 825241491.

194142528 is a `hidden beast` number, since 1 + 94 + 1 + 42 + 528 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 194142492 and 194142501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194142521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488826 + ... + 489222.

Almost surely, 2^194142528 is an apocalyptic number.

194142528 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194142528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287101280).

194142528 is an abundant number, since it is smaller than the sum of its proper divisors (380060032).

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

194142528 is a wasteful number, since it uses less digits than its factorization.

194142528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 685 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 194142528 is about 13933.5037948106. The cubic root of 194142528 is about 579.0377703622.

The spelling of 194142528 in words is "one hundred ninety-four million, one hundred forty-two thousand, five hundred twenty-eight".