2145450484 has 24 divisors (see below), whose sum is σ = 3795409800. Its totient is φ = 1061068800.

The previous prime is 2145450481. The next prime is 2145450521. The reversal of 2145450484 is 4840545412.

It can be written as a sum of positive squares in 4 ways, for example, as 546250384 + 1599200100 = 23372^2 + 39990^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145450481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567352 + ... + 571120.

It is an arithmetic number, because the mean of its divisors is an integer number (158142075).

Almost surely, 2^2145450484 is an apocalyptic number.

It is an amenable number.

2145450484 is a deficient number, since it is larger than the sum of its proper divisors (1649959316).

2145450484 is a wasteful number, since it uses less digits than its factorization.

2145450484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283 (or 5281 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 37.

The square root of 2145450484 is about 46319.0078045720. The cubic root of 2145450484 is about 1289.7518670231.

Adding to 2145450484 its reverse (4840545412), we get a palindrome (6985995896).

The spelling of 2145450484 in words is "two billion, one hundred forty-five million, four hundred fifty thousand, four hundred eighty-four".