142441215 has 64 divisors (see below), whose sum is σ = 277862400. Its totient is φ = 60825600.

The previous prime is 142441213. The next prime is 142441259. The reversal of 142441215 is 512144241.

It is not a de Polignac number, because 142441215 - 2¹ = 142441213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142441213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 355015 + ... + 355415.

It is an arithmetic number, because the mean of its divisors is an integer number (4341600).

Almost surely, 2^142441215 is an apocalyptic number.

142441215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142441215 is a deficient number, since it is larger than the sum of its proper divisors (135421185).

142441215 is a wasteful number, since it uses less digits than its factorization.

142441215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its digits is 1280, while the sum is 24.

The square root of 142441215 is about 11934.8738996271. The cubic root of 142441215 is about 522.2501296807.

Adding to 142441215 its reverse (512144241), we get a palindrome (654585456).

The spelling of 142441215 in words is "one hundred forty-two million, four hundred forty-one thousand, two hundred fifteen".