142391482 has 32 divisors (see below), whose sum is σ = 231247872. Its totient is φ = 65589744.

The previous prime is 142391477. The next prime is 142391489. The reversal of 142391482 is 284193241.

142391482 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (142391489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144363 + ... + 145345.

It is an arithmetic number, because the mean of its divisors is an integer number (7226496).

Almost surely, 2^142391482 is an apocalyptic number.

142391482 is a deficient number, since it is larger than the sum of its proper divisors (88856390).

142391482 is a wasteful number, since it uses less digits than its factorization.

142391482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its digits is 13824, while the sum is 34.

The square root of 142391482 is about 11932.7902017927. The cubic root of 142391482 is about 522.1893418226.

The spelling of 142391482 in words is "one hundred forty-two million, three hundred ninety-one thousand, four hundred eighty-two".