142281542 has 16 divisors (see below), whose sum is σ = 239833440. Its totient is φ = 62812992.

The previous prime is 142281533. The next prime is 142281547. The reversal of 142281542 is 245182241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142281547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118367 + ... + 119562.

It is an arithmetic number, because the mean of its divisors is an integer number (14989590).

Almost surely, 2^142281542 is an apocalyptic number.

142281542 is a deficient number, since it is larger than the sum of its proper divisors (97551898).

142281542 is a wasteful number, since it uses less digits than its factorization.

142281542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237967.

The product of its digits is 5120, while the sum is 29.

The square root of 142281542 is about 11928.1826780109. The cubic root of 142281542 is about 522.0549136555.

The spelling of 142281542 in words is "one hundred forty-two million, two hundred eighty-one thousand, five hundred forty-two".