142354214520 has 128 divisors (see below), whose sum is σ = 513759628800. Its totient is φ = 30825570816.

The previous prime is 142354214477. The next prime is 142354214521. The reversal of 142354214520 is 25412453241.

142354214520 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 not an unprimeable number, because it can be changed into a prime (142354214521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4443759 + ... + 4475678.

It is an arithmetic number, because the mean of its divisors is an integer number (4013747100).

Almost surely, 2^142354214520 is an apocalyptic number.

142354214520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142354214520 is an abundant number, since it is smaller than the sum of its proper divisors (371405414280).

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

142354214520 is a wasteful number, since it uses less digits than its factorization.

142354214520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919477 (or 8919473 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 142354214520 its reverse (25412453241), we get a palindrome (167766667761).

The spelling of 142354214520 in words is "one hundred forty-two billion, three hundred fifty-four million, two hundred fourteen thousand, five hundred twenty".