142550542 has 16 divisors (see below), whose sum is σ = 226631520. Its totient is φ = 67015168.

The previous prime is 142550539. The next prime is 142550543. The reversal of 142550542 is 245055241.

142550542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142550542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142550543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53334 + ... + 55942.

It is an arithmetic number, because the mean of its divisors is an integer number (14164470).

Almost surely, 2^142550542 is an apocalyptic number.

142550542 is a deficient number, since it is larger than the sum of its proper divisors (84080978).

142550542 is a wasteful number, since it uses less digits than its factorization.

142550542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 142550542 is about 11939.4531700577. The cubic root of 142550542 is about 522.3837086186.

The spelling of 142550542 in words is "one hundred forty-two million, five hundred fifty thousand, five hundred forty-two".