148718221520529 has 16 divisors (see below), whose sum is σ = 198826998379520. Its totient is φ = 98877496631760.

The previous prime is 148718221520503. The next prime is 148718221520621. The reversal of 148718221520529 is 925025122817841.

It is not a de Polignac number, because 148718221520529 - 2²¹ = 148718219423377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148718221520629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13419684 + ... + 21852330.

It is an arithmetic number, because the mean of its divisors is an integer number (12426687398720).

Almost surely, 2^{148718221520529} is an apocalyptic number.

It is an amenable number.

148718221520529 is a deficient number, since it is larger than the sum of its proper divisors (50108776858991).

148718221520529 is a wasteful number, since it uses less digits than its factorization.

148718221520529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8448540.

The product of its (nonzero) digits is 6451200, while the sum is 57.

The spelling of 148718221520529 in words is "one hundred forty-eight trillion, seven hundred eighteen billion, two hundred twenty-one million, five hundred twenty thousand, five hundred twenty-nine".