142279542 has 12 divisors (see below), whose sum is σ = 308272380. Its totient is φ = 47426508.

The previous prime is 142279537. The next prime is 142279549. The reversal of 142279542 is 245972241.

142279542 is a `hidden beast` number, since 1 + 42 + 2 + 79 + 542 = 666.

142279542 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142279497 and 142279506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142279549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3952192 + ... + 3952227.

It is an arithmetic number, because the mean of its divisors is an integer number (25689365).

Almost surely, 2^142279542 is an apocalyptic number.

142279542 is an abundant number, since it is smaller than the sum of its proper divisors (165992838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142279542 is a wasteful number, since it uses less digits than its factorization.

142279542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7904427 (or 7904424 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 142279542 is about 11928.0988426488. The cubic root of 142279542 is about 522.0524675319.

The spelling of 142279542 in words is "one hundred forty-two million, two hundred seventy-nine thousand, five hundred forty-two".