142214205 has 32 divisors (see below), whose sum is σ = 268443648. Its totient is φ = 62913600.

The previous prime is 142214203. The next prime is 142214213. The reversal of 142214205 is 502412241.

It is not a de Polignac number, because 142214205 - 2¹ = 142214203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142214203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18591 + ... + 25100.

It is an arithmetic number, because the mean of its divisors is an integer number (8388864).

Almost surely, 2^142214205 is an apocalyptic number.

142214205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142214205 is a deficient number, since it is larger than the sum of its proper divisors (126229443).

142214205 is a wasteful number, since it uses less digits than its factorization.

142214205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43737.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 142214205 is about 11925.3597430015. The cubic root of 142214205 is about 521.9725437328.

Adding to 142214205 its reverse (502412241), we get a palindrome (644626446).

The spelling of 142214205 in words is "one hundred forty-two million, two hundred fourteen thousand, two hundred five".