142704646 has 16 divisors (see below), whose sum is σ = 247014144. Its totient is φ = 60564744.

The previous prime is 142704637. The next prime is 142704677. The reversal of 142704646 is 646407241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48040 + ... + 50923.

It is an arithmetic number, because the mean of its divisors is an integer number (15438384).

Almost surely, 2^142704646 is an apocalyptic number.

142704646 is a deficient number, since it is larger than the sum of its proper divisors (104309498).

142704646 is a wasteful number, since it uses less digits than its factorization.

142704646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99075.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 142704646 is about 11945.9049887399. The cubic root of 142704646 is about 522.5718814746.

The spelling of 142704646 in words is "one hundred forty-two million, seven hundred four thousand, six hundred forty-six".