142214450 has 24 divisors (see below), whose sum is σ = 302308032. Its totient is φ = 48759120.

The previous prime is 142214419. The next prime is 142214467. The reversal of 142214450 is 54412241.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202814 + ... + 203513.

It is an arithmetic number, because the mean of its divisors is an integer number (12596168).

Almost surely, 2^142214450 is an apocalyptic number.

142214450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142214450 is an abundant number, since it is smaller than the sum of its proper divisors (160093582).

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

142214450 is a wasteful number, since it uses less digits than its factorization.

142214450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406346 (or 406341 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 142214450 is about 11925.3700152238. The cubic root of 142214450 is about 521.9728434760.

Adding to 142214450 its reverse (54412241), we get a palindrome (196626691).

The spelling of 142214450 in words is "one hundred forty-two million, two hundred fourteen thousand, four hundred fifty".