2545452168 has 64 divisors (see below), whose sum is σ = 7281792000. Its totient is φ = 726364992.

The previous prime is 2545452083. The next prime is 2545452187. The reversal of 2545452168 is 8612545452.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131923 + ... + 149981.

It is an arithmetic number, because the mean of its divisors is an integer number (113778000).

Almost surely, 2^2545452168 is an apocalyptic number.

2545452168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2545452168 is an abundant number, since it is smaller than the sum of its proper divisors (4736339832).

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

2545452168 is a wasteful number, since it uses less digits than its factorization.

2545452168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18914 (or 18910 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

The square root of 2545452168 is about 50452.4743496293. The cubic root of 2545452168 is about 1365.3845371011.

The spelling of 2545452168 in words is "two billion, five hundred forty-five million, four hundred fifty-two thousand, one hundred sixty-eight".