2545824968154 has 72 divisors (see below), whose sum is σ = 5974008578460. Its totient is φ = 783184985856.

The previous prime is 2545824968119. The next prime is 2545824968189. The reversal of 2545824968154 is 4518694285452.

2545824968154 is a `hidden beast` number, since 2 + 5 + 4 + 582 + 49 + 6 + 8 + 1 + 5 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2545824968119) and next prime (2545824968189).

It can be written as a sum of positive squares in 6 ways, for example, as 476758487529 + 2069066480625 = 690477^2 + 1438425^2 .

It is a super-2 number, since 2×2545824968154² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2545824968091 and 2545824968100.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16877982 + ... + 17028150.

Almost surely, 2^{2545824968154} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545824968154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987004289230).

2545824968154 is an abundant number, since it is smaller than the sum of its proper divisors (3428183610306).

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

2545824968154 is a wasteful number, since it uses less digits than its factorization.

2545824968154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155776 (or 155760 counting only the distinct ones).

The product of its digits is 110592000, while the sum is 63.

The spelling of 2545824968154 in words is "two trillion, five hundred forty-five billion, eight hundred twenty-four million, nine hundred sixty-eight thousand, one hundred fifty-four".