142578038 has 4 divisors (see below), whose sum is σ = 213867060. Its totient is φ = 71289018.

The previous prime is 142578013. The next prime is 142578047. The reversal of 142578038 is 830875241.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 142577992 and 142578010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35644508 + ... + 35644511.

It is an arithmetic number, because the mean of its divisors is an integer number (53466765).

Almost surely, 2^142578038 is an apocalyptic number.

142578038 is a deficient number, since it is larger than the sum of its proper divisors (71289022).

142578038 is an equidigital number, since it uses as much as digits as its factorization.

142578038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71289021.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 142578038 is about 11940.6045910582. The cubic root of 142578038 is about 522.4172932894.

The spelling of 142578038 in words is "one hundred forty-two million, five hundred seventy-eight thousand, thirty-eight".