2145141412420 has 12 divisors (see below), whose sum is σ = 4504796966124. Its totient is φ = 858056564960.

The previous prime is 2145141412417. The next prime is 2145141412429. The reversal of 2145141412420 is 242141415412.

It can be written as a sum of positive squares in 2 ways, for example, as 1077643305216 + 1067498107204 = 1038096^2 + 1033198^2 .

It is not an unprimeable number, because it can be changed into a prime (2145141412429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53628535291 + ... + 53628535330.

It is an arithmetic number, because the mean of its divisors is an integer number (375399747177).

Almost surely, 2^{2145141412420} is an apocalyptic number.

2145141412420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145141412420 is an abundant number, since it is smaller than the sum of its proper divisors (2359655553704).

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

2145141412420 is a wasteful number, since it uses less digits than its factorization.

2145141412420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107257070630 (or 107257070628 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 2145141412420 its reverse (242141415412), we get a palindrome (2387282827832).

The spelling of 2145141412420 in words is "two trillion, one hundred forty-five billion, one hundred forty-one million, four hundred twelve thousand, four hundred twenty".