142412505 has 16 divisors (see below), whose sum is σ = 239853120. Its totient is φ = 71955648.

The previous prime is 142412503. The next prime is 142412513. The reversal of 142412505 is 505214241.

142412505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142412505 - 2¹ = 142412503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142412503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249562 + ... + 250131.

It is an arithmetic number, because the mean of its divisors is an integer number (14990820).

Almost surely, 2^142412505 is an apocalyptic number.

142412505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142412505 is a deficient number, since it is larger than the sum of its proper divisors (97440615).

142412505 is a wasteful number, since it uses less digits than its factorization.

142412505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499720.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 142412505 is about 11933.6710613289. The cubic root of 142412505 is about 522.2150396293.

Adding to 142412505 its reverse (505214241), we get a palindrome (647626746).

The spelling of 142412505 in words is "one hundred forty-two million, four hundred twelve thousand, five hundred five".