142784396 has 6 divisors (see below), whose sum is σ = 249872700. Its totient is φ = 71392196.

The previous prime is 142784387. The next prime is 142784401. The reversal of 142784396 is 693487241.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17848046 + ... + 17848053.

It is an arithmetic number, because the mean of its divisors is an integer number (41645450).

Almost surely, 2^142784396 is an apocalyptic number.

It is an amenable number.

142784396 is a deficient number, since it is larger than the sum of its proper divisors (107088304).

142784396 is a wasteful number, since it uses less digits than its factorization.

142784396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35696103 (or 35696101 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 142784396 is about 11949.2424864508. The cubic root of 142784396 is about 522.6692091785.

The spelling of 142784396 in words is "one hundred forty-two million, seven hundred eighty-four thousand, three hundred ninety-six".