142604661420 has 144 divisors (see below), whose sum is σ = 466653663840. Its totient is φ = 35041517568.

The previous prime is 142604661413. The next prime is 142604661431. The reversal of 142604661420 is 24166406241.

142604661420 is a `hidden beast` number, since 1 + 4 + 2 + 604 + 6 + 6 + 1 + 42 + 0 = 666.

142604661420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1297371 + ... + 1402989.

Almost surely, 2^142604661420 is an apocalyptic number.

142604661420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142604661420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233326831920).

142604661420 is an abundant number, since it is smaller than the sum of its proper divisors (324049002420).

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

142604661420 is a wasteful number, since it uses less digits than its factorization.

142604661420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106224 (or 106219 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 142604661420 in words is "one hundred forty-two billion, six hundred four million, six hundred sixty-one thousand, four hundred twenty".