142540006 has 16 divisors (see below), whose sum is σ = 246141216. Its totient is φ = 60641856.

The previous prime is 142539983. The next prime is 142540007. The reversal of 142540006 is 600045241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142540007) 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, 35241 + ... + 39076.

It is an arithmetic number, because the mean of its divisors is an integer number (15383826).

Almost surely, 2^142540006 is an apocalyptic number.

142540006 is a deficient number, since it is larger than the sum of its proper divisors (103601210).

142540006 is a wasteful number, since it uses less digits than its factorization.

142540006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74463.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 142540006 is about 11939.0119356670. The cubic root of 142540006 is about 522.3708383990.

Adding to 142540006 its reverse (600045241), we get a palindrome (742585247).

The spelling of 142540006 in words is "one hundred forty-two million, five hundred forty thousand, six".