142728192 has 132 divisors (see below), whose sum is σ = 436846176. Its totient is φ = 44728320.

The previous prime is 142728191. The next prime is 142728199. The reversal of 142728192 is 291827241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142728191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156217 + ... + 157127.

Almost surely, 2^142728192 is an apocalyptic number.

142728192 is a gapful number since it is divisible by the number (12) 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 142728192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218423088).

142728192 is an abundant number, since it is smaller than the sum of its proper divisors (294117984).

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

142728192 is a wasteful number, since it uses less digits than its factorization.

142728192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 933 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 142728192 is about 11946.8904740941. The cubic root of 142728192 is about 522.6006210220.

The spelling of 142728192 in words is "one hundred forty-two million, seven hundred twenty-eight thousand, one hundred ninety-two".