146220600000 has 168 divisors, whose sum is σ = 483565206096. Its totient is φ = 38992000000.

The previous prime is 146220599981. The next prime is 146220600017. The reversal of 146220600000 is 6022641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 146220600000.

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, 478150 + ... + 721850.

It is an arithmetic number, because the mean of its divisors is an integer number (2878364322).

Almost surely, 2^146220600000 is an apocalyptic number.

146220600000 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 146220600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241782603048).

146220600000 is an abundant number, since it is smaller than the sum of its proper divisors (337344606096).

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

146220600000 is an frugal number, since it uses more digits than its factorization.

146220600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243741 (or 243711 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 146220600000 its reverse (6022641), we get a palindrome (146226622641).

The spelling of 146220600000 in words is "one hundred forty-six billion, two hundred twenty million, six hundred thousand".