148813478152221 has 8 divisors (see below), whose sum is σ = 198418462981504. Its totient is φ = 99208739378880.

The previous prime is 148813478152169. The next prime is 148813478152249. The reversal of 148813478152221 is 122251874318841.

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

It is not a de Polignac number, because 148813478152221 - 2⁷ = 148813478152093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148813478150221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60098140 + ... + 62525301.

It is an arithmetic number, because the mean of its divisors is an integer number (24802307872688).

Almost surely, 2^{148813478152221} is an apocalyptic number.

It is an amenable number.

148813478152221 is a deficient number, since it is larger than the sum of its proper divisors (49604984829283).

148813478152221 is a wasteful number, since it uses less digits than its factorization.

148813478152221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123027971.

The product of its digits is 6881280, while the sum is 57.

The spelling of 148813478152221 in words is "one hundred forty-eight trillion, eight hundred thirteen billion, four hundred seventy-eight million, one hundred fifty-two thousand, two hundred twenty-one".