146215311738 has 8 divisors (see below), whose sum is σ = 292430623488. Its totient is φ = 48738437244.

The previous prime is 146215311731. The next prime is 146215311761. The reversal of 146215311738 is 837113512641.

It is a sphenic number, since it is the product of 3 distinct primes.

146215311738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 146215311738.

It is not an unprimeable number, because it can be changed into a prime (146215311731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12184609306 + ... + 12184609317.

It is an arithmetic number, because the mean of its divisors is an integer number (36553827936).

Almost surely, 2^146215311738 is an apocalyptic number.

146215311738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

146215311738 is a wasteful number, since it uses less digits than its factorization.

146215311738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24369218628.

The product of its digits is 120960, while the sum is 42.

The spelling of 146215311738 in words is "one hundred forty-six billion, two hundred fifteen million, three hundred eleven thousand, seven hundred thirty-eight".