2145314420555 has 8 divisors (see below), whose sum is σ = 2725811263872. Its totient is φ = 1615295563648.

The previous prime is 2145314420533. The next prime is 2145314420573. The reversal of 2145314420555 is 5550244135412.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2145314420555 - 2¹² = 2145314416459 is a prime.

It is a Duffinian number.

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, 12619496507 + ... + 12619496676.

It is an arithmetic number, because the mean of its divisors is an integer number (340726407984).

Almost surely, 2^{2145314420555} is an apocalyptic number.

2145314420555 is a deficient number, since it is larger than the sum of its proper divisors (580496843317).

2145314420555 is a wasteful number, since it uses less digits than its factorization.

2145314420555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25238993205.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 2145314420555 its reverse (5550244135412), we get a palindrome (7695558555967).

The spelling of 2145314420555 in words is "two trillion, one hundred forty-five billion, three hundred fourteen million, four hundred twenty thousand, five hundred fifty-five".