146194393344 has 72 divisors (see below), whose sum is σ = 389640525120. Its totient is φ = 48662550528.

The previous prime is 146194393321. The next prime is 146194393427. The reversal of 146194393344 is 443393491641.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410269 + ... + 678755.

It is an arithmetic number, because the mean of its divisors is an integer number (5411673960).

Almost surely, 2^146194393344 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 146194393344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194820262560).

146194393344 is an abundant number, since it is smaller than the sum of its proper divisors (243446131776).

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

146194393344 is an equidigital number, since it uses as much as digits as its factorization.

146194393344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269215 (or 269201 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 51.

The spelling of 146194393344 in words is "one hundred forty-six billion, one hundred ninety-four million, three hundred ninety-three thousand, three hundred forty-four".