2154143424234 has 16 divisors (see below), whose sum is σ = 4309740912672. Its totient is φ = 717805464048.

The previous prime is 2154143424107. The next prime is 2154143424253. The reversal of 2154143424234 is 4324243414512.

It is a junction number, because it is equal to n+sod(n) for n = 2154143424192 and 2154143424201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60566749 + ... + 60602304.

It is an arithmetic number, because the mean of its divisors is an integer number (269358807042).

Almost surely, 2^{2154143424234} is an apocalyptic number.

2154143424234 is an abundant number, since it is smaller than the sum of its proper divisors (2155597488438).

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

2154143424234 is a wasteful number, since it uses less digits than its factorization.

2154143424234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121172021.

The product of its digits is 368640, while the sum is 39.

Adding to 2154143424234 its reverse (4324243414512), we get a palindrome (6478386838746).

The spelling of 2154143424234 in words is "two trillion, one hundred fifty-four billion, one hundred forty-three million, four hundred twenty-four thousand, two hundred thirty-four".