2145489436048 has 80 divisors (see below), whose sum is σ = 5112643377024. Its totient is φ = 851220449280.

The previous prime is 2145489436007. The next prime is 2145489436049. The reversal of 2145489436048 is 8406349845412.

It is a junction number, because it is equal to n+sod(n) for n = 2145489435983 and 2145489436001.

It is not an unprimeable number, because it can be changed into a prime (2145489436049) 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, 9120190 + ... + 9352477.

Almost surely, 2^{2145489436048} is an apocalyptic number.

2145489436048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2145489436048 is an abundant number, since it is smaller than the sum of its proper divisors (2967153940976).

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

2145489436048 is a wasteful number, since it uses less digits than its factorization.

2145489436048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18472760 (or 18472754 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 58.

The spelling of 2145489436048 in words is "two trillion, one hundred forty-five billion, four hundred eighty-nine million, four hundred thirty-six thousand, forty-eight".