1214515554145 has 8 divisors (see below), whose sum is σ = 1457796943656. Its totient is φ = 971360257536.

The previous prime is 1214515554127. The next prime is 1214515554209. The reversal of 1214515554145 is 5414555154121.

It can be written as a sum of positive squares in 4 ways, for example, as 180381132369 + 1034134421776 = 424713^2 + 1016924^2 .

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 1214515554145 - 2⁷ = 1214515554017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31502032 + ... + 31540561.

It is an arithmetic number, because the mean of its divisors is an integer number (182224617957).

Almost surely, 2^{1214515554145} is an apocalyptic number.

It is an amenable number.

1214515554145 is a deficient number, since it is larger than the sum of its proper divisors (243281389511).

1214515554145 is an equidigital number, since it uses as much as digits as its factorization.

1214515554145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63046451.

The product of its digits is 400000, while the sum is 43.

The spelling of 1214515554145 in words is "one trillion, two hundred fourteen billion, five hundred fifteen million, five hundred fifty-four thousand, one hundred forty-five".