142940526 has 16 divisors (see below), whose sum is σ = 287776128. Its totient is φ = 47331000.

The previous prime is 142940503. The next prime is 142940531. The reversal of 142940526 is 625049241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77980 + ... + 79791.

It is an arithmetic number, because the mean of its divisors is an integer number (17986008).

Almost surely, 2^142940526 is an apocalyptic number.

142940526 is an abundant number, since it is smaller than the sum of its proper divisors (144835602).

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

142940526 is a wasteful number, since it uses less digits than its factorization.

142940526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157927.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 142940526 is about 11955.7737516231. The cubic root of 142940526 is about 522.8596469296.

Adding to 142940526 its reverse (625049241), we get a palindrome (767989767).

The spelling of 142940526 in words is "one hundred forty-two million, nine hundred forty thousand, five hundred twenty-six".