146538822912 has 144 divisors (see below), whose sum is σ = 408023868672. Its totient is φ = 46640496640.

The previous prime is 146538822883. The next prime is 146538822923. The reversal of 146538822912 is 219228835641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430428 + ... + 1529444.

It is an arithmetic number, because the mean of its divisors is an integer number (2833499088).

Almost surely, 2^146538822912 is an apocalyptic number.

146538822912 is a gapful number since it is divisible by the number (12) 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 146538822912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204011934336).

146538822912 is an abundant number, since it is smaller than the sum of its proper divisors (261485045760).

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

146538822912 is an equidigital number, since it uses as much as digits as its factorization.

146538822912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99124 (or 99110 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 146538822912 in words is "one hundred forty-six billion, five hundred thirty-eight million, eight hundred twenty-two thousand, nine hundred twelve".