14550142140 has 36 divisors (see below), whose sum is σ = 44135431704. Its totient is φ = 3880037856.

The previous prime is 14550142091. The next prime is 14550142141. The reversal of 14550142140 is 4124105541.

14550142140 is a `hidden beast` number, since 14 + 5 + 501 + 4 + 2 + 140 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14550142141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40416882 + ... + 40417241.

It is an arithmetic number, because the mean of its divisors is an integer number (1225984214).

Almost surely, 2^14550142140 is an apocalyptic number.

14550142140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14550142140 is an abundant number, since it is smaller than the sum of its proper divisors (29585289564).

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

14550142140 is a wasteful number, since it uses less digits than its factorization.

14550142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80834138 (or 80834133 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 14550142140 its reverse (4124105541), we get a palindrome (18674247681).

The spelling of 14550142140 in words is "fourteen billion, five hundred fifty million, one hundred forty-two thousand, one hundred forty".