2154450343042 has 8 divisors (see below), whose sum is σ = 3401763699600. Its totient is φ = 1020529109844.

The previous prime is 2154450343037. The next prime is 2154450343051. The reversal of 2154450343042 is 2403430544512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2154450342992 and 2154450343010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28348030792 + ... + 28348030867.

It is an arithmetic number, because the mean of its divisors is an integer number (425220462450).

Almost surely, 2^{2154450343042} is an apocalyptic number.

2154450343042 is a deficient number, since it is larger than the sum of its proper divisors (1247313356558).

2154450343042 is a wasteful number, since it uses less digits than its factorization.

2154450343042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56696061680.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 2154450343042 its reverse (2403430544512), we get a palindrome (4557880887554).

The spelling of 2154450343042 in words is "two trillion, one hundred fifty-four billion, four hundred fifty million, three hundred forty-three thousand, forty-two".