1214154155244 has 48 divisors (see below), whose sum is σ = 2982564708480. Its totient is φ = 383361598080.

The previous prime is 1214154155243. The next prime is 1214154155273. The reversal of 1214154155244 is 4425514514121.

It is not an unprimeable number, because it can be changed into a prime (1214154155243) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1207432 + ... + 1971344.

It is an arithmetic number, because the mean of its divisors is an integer number (62136764760).

Almost surely, 2^{1214154155244} is an apocalyptic number.

It is an amenable number.

1214154155244 is an abundant number, since it is smaller than the sum of its proper divisors (1768410553236).

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

1214154155244 is a wasteful number, since it uses less digits than its factorization.

1214154155244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770910 (or 770908 counting only the distinct ones).

The product of its digits is 128000, while the sum is 39.

Adding to 1214154155244 its reverse (4425514514121), we get a palindrome (5639668669365).

The spelling of 1214154155244 in words is "one trillion, two hundred fourteen billion, one hundred fifty-four million, one hundred fifty-five thousand, two hundred forty-four".