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142255304224 = 25111737837741
BaseRepresentation
bin1000010001111100010…
…0111010111000100000
3111121012000110012112021
42010133010322320200
54312314324213344
6145203504511224
713164135064165
oct2043704727040
9447160405467
10142255304224
115536a457630
12236a101b514
1310550bb8137
146c56d8406c
153a78c14b84
hex211f13ae20

142255304224 has 192 divisors, whose sum is σ = 336287210112. Its totient is φ = 58492108800.

The previous prime is 142255304197. The next prime is 142255304239. The reversal of 142255304224 is 422403552241.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 142255304224.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18372994 + ... + 18380734.

It is an arithmetic number, because the mean of its divisors is an integer number (1751495886).

Almost surely, 2142255304224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142255304224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168143605056).

142255304224 is an abundant number, since it is smaller than the sum of its proper divisors (194031905888).

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

142255304224 is a wasteful number, since it uses less digits than its factorization.

142255304224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7899 (or 7891 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 142255304224 its reverse (422403552241), we get a palindrome (564658856465).

The spelling of 142255304224 in words is "one hundred forty-two billion, two hundred fifty-five million, three hundred four thousand, two hundred twenty-four".