142554513420 has 72 divisors (see below), whose sum is σ = 471725850960. Its totient is φ = 34558669440.

The previous prime is 142554513403. The next prime is 142554513469. The reversal of 142554513420 is 24315455241.

142554513420 is a `hidden beast` number, since 1 + 4 + 2 + 554 + 51 + 34 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35996635 + ... + 36000594.

It is an arithmetic number, because the mean of its divisors is an integer number (6551747930).

Almost surely, 2^142554513420 is an apocalyptic number.

142554513420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142554513420 is an abundant number, since it is smaller than the sum of its proper divisors (329171337540).

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

142554513420 is a wasteful number, since it uses less digits than its factorization.

142554513420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71997255 (or 71997250 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 142554513420 its reverse (24315455241), we get a palindrome (166869968661).

The spelling of 142554513420 in words is "one hundred forty-two billion, five hundred fifty-four million, five hundred thirteen thousand, four hundred twenty".