2145342141420 has 48 divisors (see below), whose sum is σ = 6019932065280. Its totient is φ = 570855612096.

The previous prime is 2145342141413. The next prime is 2145342141431. The reversal of 2145342141420 is 241412435412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38585290 + ... + 38640849.

It is an arithmetic number, because the mean of its divisors is an integer number (125415251360).

Almost surely, 2^{2145342141420} is an apocalyptic number.

2145342141420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145342141420 is an abundant number, since it is smaller than the sum of its proper divisors (3874589923860).

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

2145342141420 is a wasteful number, since it uses less digits than its factorization.

2145342141420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77226614 (or 77226612 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 2145342141420 its reverse (241412435412), we get a palindrome (2386754576832).

The spelling of 2145342141420 in words is "two trillion, one hundred forty-five billion, three hundred forty-two million, one hundred forty-one thousand, four hundred twenty".