2545151420 has 24 divisors (see below), whose sum is σ = 6108363744. Its totient is φ = 872623296.

The previous prime is 2545151359. The next prime is 2545151459. The reversal of 2545151420 is 241515452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9089687 + ... + 9089966.

It is an arithmetic number, because the mean of its divisors is an integer number (254515156).

Almost surely, 2^2545151420 is an apocalyptic number.

2545151420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545151420 is an abundant number, since it is smaller than the sum of its proper divisors (3563212324).

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

2545151420 is a wasteful number, since it uses less digits than its factorization.

2545151420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179669 (or 18179667 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2545151420 is about 50449.4937536543. The cubic root of 2545151420 is about 1365.3307610834.

Adding to 2545151420 its reverse (241515452), we get a palindrome (2786666872).

The spelling of 2545151420 in words is "two billion, five hundred forty-five million, one hundred fifty-one thousand, four hundred twenty".