142178944 has 16 divisors (see below), whose sum is σ = 283247370. Its totient is φ = 71089408.

The previous prime is 142178921. The next prime is 142178951. The reversal of 142178944 is 449871241.

It can be written as a sum of positive squares in only one way, i.e., 136609344 + 5569600 = 11688^2 + 2360^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 142178897 and 142178906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555259 + ... + 555514.

Almost surely, 2^142178944 is an apocalyptic number.

It is an amenable number.

142178944 is a deficient number, since it is larger than the sum of its proper divisors (141068426).

142178944 is an equidigital number, since it uses as much as digits as its factorization.

142178944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110787 (or 1110775 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 142178944 is about 11923.8812473121. The cubic root of 142178944 is about 521.9294003745.

The spelling of 142178944 in words is "one hundred forty-two million, one hundred seventy-eight thousand, nine hundred forty-four".