2445148757656 has 64 divisors (see below), whose sum is σ = 5164003676160. Its totient is φ = 1075323168000.

The previous prime is 2445148757633. The next prime is 2445148757669. The reversal of 2445148757656 is 6567578415442.

It is a happy number.

It is a super-2 number, since 2×2445148757656² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11617921 + ... + 11826511.

It is an arithmetic number, because the mean of its divisors is an integer number (80687557440).

Almost surely, 2^{2445148757656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2445148757656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2582001838080).

2445148757656 is an abundant number, since it is smaller than the sum of its proper divisors (2718854918504).

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

2445148757656 is a wasteful number, since it uses less digits than its factorization.

2445148757656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212936 (or 212932 counting only the distinct ones).

The product of its digits is 225792000, while the sum is 64.

The spelling of 2445148757656 in words is "two trillion, four hundred forty-five billion, one hundred forty-eight million, seven hundred fifty-seven thousand, six hundred fifty-six".