142214140 has 12 divisors (see below), whose sum is σ = 298649736. Its totient is φ = 56885648.

The previous prime is 142214101. The next prime is 142214167. The reversal of 142214140 is 41412241.

142214140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555334 + ... + 3555373.

It is an arithmetic number, because the mean of its divisors is an integer number (24887478).

Almost surely, 2^142214140 is an apocalyptic number.

142214140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142214140 is an abundant number, since it is smaller than the sum of its proper divisors (156435596).

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

142214140 is a wasteful number, since it uses less digits than its factorization.

142214140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110716 (or 7110714 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142214140 is about 11925.3570177165. The cubic root of 142214140 is about 521.9724642091.

Adding to 142214140 its reverse (41412241), we get a palindrome (183626381).

The spelling of 142214140 in words is "one hundred forty-two million, two hundred fourteen thousand, one hundred forty".