142648128 has 140 divisors (see below), whose sum is σ = 483384352. Its totient is φ = 40746240.

The previous prime is 142648109. The next prime is 142648133. The reversal of 142648128 is 821846241.

142648128 is a `hidden beast` number, since 1 + 4 + 2 + 648 + 1 + 2 + 8 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142648092 and 142648101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34323 + ... + 38253.

Almost surely, 2^142648128 is an apocalyptic number.

142648128 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 142648128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241692176).

142648128 is an abundant number, since it is smaller than the sum of its proper divisors (340736224).

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

142648128 is an equidigital number, since it uses as much as digits as its factorization.

142648128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962 (or 3943 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 142648128 is about 11943.5391739635. The cubic root of 142648128 is about 522.5028843808.

The spelling of 142648128 in words is "one hundred forty-two million, six hundred forty-eight thousand, one hundred twenty-eight".