148421083521 has 8 divisors (see below), whose sum is σ = 197948148160. Its totient is φ = 98920703952.

The previous prime is 148421083477. The next prime is 148421083543. The reversal of 148421083521 is 125380124841.

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

It is not a de Polignac number, because 148421083521 - 2⁶ = 148421083457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 148421083521.

It is not an unprimeable number, because it can be changed into a prime (148421083561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6658285 + ... + 6680538.

It is an arithmetic number, because the mean of its divisors is an integer number (24743518520).

Almost surely, 2^148421083521 is an apocalyptic number.

It is an amenable number.

148421083521 is a deficient number, since it is larger than the sum of its proper divisors (49527064639).

148421083521 is a wasteful number, since it uses less digits than its factorization.

148421083521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13342535.

The product of its (nonzero) digits is 61440, while the sum is 39.

The spelling of 148421083521 in words is "one hundred forty-eight billion, four hundred twenty-one million, eighty-three thousand, five hundred twenty-one".