1548220140148 has 12 divisors (see below), whose sum is σ = 2955692994912. Its totient is φ = 703736427320.

The previous prime is 1548220140113. The next prime is 1548220140253. The reversal of 1548220140148 is 8410410228451.

It is a super-2 number, since 2×1548220140148² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1548220140148.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17593410640 + ... + 17593410727.

It is an arithmetic number, because the mean of its divisors is an integer number (246307749576).

Almost surely, 2^{1548220140148} is an apocalyptic number.

It is an amenable number.

1548220140148 is a deficient number, since it is larger than the sum of its proper divisors (1407472854764).

1548220140148 is a wasteful number, since it uses less digits than its factorization.

1548220140148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35186821382 (or 35186821380 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

Adding to 1548220140148 its reverse (8410410228451), we get a palindrome (9958630368599).

The spelling of 1548220140148 in words is "one trillion, five hundred forty-eight billion, two hundred twenty million, one hundred forty thousand, one hundred forty-eight".