2145336454600 has 24 divisors (see below), whose sum is σ = 4987907257410. Its totient is φ = 858134581760.

The previous prime is 2145336454571. The next prime is 2145336454609. The reversal of 2145336454600 is 64546335412.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2098922922756 + 46413531844 = 1448766^2 + 215438^2 .

It is a super-2 number, since 2×2145336454600² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145336454609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5363340937 + ... + 5363341336.

Almost surely, 2^{2145336454600} is an apocalyptic number.

2145336454600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145336454600 is an abundant number, since it is smaller than the sum of its proper divisors (2842570802810).

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

2145336454600 is a wasteful number, since it uses less digits than its factorization.

2145336454600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10726682289 (or 10726682280 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 2145336454600 in words is "two trillion, one hundred forty-five billion, three hundred thirty-six million, four hundred fifty-four thousand, six hundred".