148021577439 has 8 divisors (see below), whose sum is σ = 197484013440. Its totient is φ = 98620096536.

The previous prime is 148021577419. The next prime is 148021577443. The reversal of 148021577439 is 934775120841.

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

It is not a de Polignac number, because 148021577439 - 2⁷ = 148021577311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148021577391 and 148021577400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148021577419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15233107 + ... + 15242820.

It is an arithmetic number, because the mean of its divisors is an integer number (24685501680).

Almost surely, 2^148021577439 is an apocalyptic number.

148021577439 is a deficient number, since it is larger than the sum of its proper divisors (49462436001).

148021577439 is a wasteful number, since it uses less digits than its factorization.

148021577439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30477549.

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 148021577439 in words is "one hundred forty-eight billion, twenty-one million, five hundred seventy-seven thousand, four hundred thirty-nine".