2145422433140 has 48 divisors (see below), whose sum is σ = 5155363081344. Its totient is φ = 734666371200.

The previous prime is 2145422433113. The next prime is 2145422433163. The reversal of 2145422433140 is 413342245412.

It is a super-4 number, since 4×2145422433140⁴ (a number of 50 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2145422433140.

It is a congruent number.

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, 9334331 + ... + 9561410.

It is an arithmetic number, because the mean of its divisors is an integer number (107403397528).

Almost surely, 2^{2145422433140} is an apocalyptic number.

2145422433140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2145422433140 is an abundant number, since it is smaller than the sum of its proper divisors (3009940648204).

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

2145422433140 is a wasteful number, since it uses less digits than its factorization.

2145422433140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18896568 (or 18896566 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 2145422433140 its reverse (413342245412), we get a palindrome (2558764678552).

The spelling of 2145422433140 in words is "two trillion, one hundred forty-five billion, four hundred twenty-two million, four hundred thirty-three thousand, one hundred forty".