142646272 has 22 divisors (see below), whose sum is σ = 285155288. Its totient is φ = 71322624.

The previous prime is 142646233. The next prime is 142646279. The reversal of 142646272 is 272646241.

142646272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142646279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68628 + ... + 70675.

It is an arithmetic number, because the mean of its divisors is an integer number (12961604).

Almost surely, 2^142646272 is an apocalyptic number.

It is an amenable number.

142646272 is a deficient number, since it is larger than the sum of its proper divisors (142509016).

142646272 is an equidigital number, since it uses as much as digits as its factorization.

142646272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139323 (or 139305 counting only the distinct ones).

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

The square root of 142646272 is about 11943.4614747987. The cubic root of 142646272 is about 522.5006182696.

The spelling of 142646272 in words is "one hundred forty-two million, six hundred forty-six thousand, two hundred seventy-two".