142704648 has 48 divisors (see below), whose sum is σ = 387426780. Its totient is φ = 47453184.

The previous prime is 142704637. The next prime is 142704677. The reversal of 142704648 is 846407241.

142704648 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 0 + 4 + 648 = 666.

142704648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 140138244 + 2566404 = 11838^2 + 1602^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30736 + ... + 35072.

Almost surely, 2^142704648 is an apocalyptic number.

142704648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142704648 is an abundant number, since it is smaller than the sum of its proper divisors (244722132).

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

142704648 is a wasteful number, since it uses less digits than its factorization.

142704648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 4799 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 142704648 is about 11945.9050724506. The cubic root of 142704648 is about 522.5718839158.

The spelling of 142704648 in words is "one hundred forty-two million, seven hundred four thousand, six hundred forty-eight".