1545655402648 has 16 divisors (see below), whose sum is σ = 3312118720080. Its totient is φ = 662423743968.

The previous prime is 1545655402639. The next prime is 1545655402649. The reversal of 1545655402648 is 8462045565451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1545655402649) 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 3 ways as a sum of consecutive naturals, for example, 13800494611 + ... + 13800494722.

It is an arithmetic number, because the mean of its divisors is an integer number (207007420005).

Almost surely, 2^{1545655402648} is an apocalyptic number.

It is an amenable number.

1545655402648 is an abundant number, since it is smaller than the sum of its proper divisors (1766463317432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545655402648 is a wasteful number, since it uses less digits than its factorization.

1545655402648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27600989346 (or 27600989342 counting only the distinct ones).

The product of its (nonzero) digits is 23040000, while the sum is 55.

The spelling of 1545655402648 in words is "one trillion, five hundred forty-five billion, six hundred fifty-five million, four hundred two thousand, six hundred forty-eight".