1154430312214 has 4 divisors (see below), whose sum is σ = 1731645468324. Its totient is φ = 577215156106.

The previous prime is 1154430312193. The next prime is 1154430312227. The reversal of 1154430312214 is 4122130344511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent 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 as a sum of consecutive naturals, namely, 288607578052 + ... + 288607578055.

It is an arithmetic number, because the mean of its divisors is an integer number (432911367081).

Almost surely, 2^{1154430312214} is an apocalyptic number.

1154430312214 is a deficient number, since it is larger than the sum of its proper divisors (577215156110).

1154430312214 is an equidigital number, since it uses as much as digits as its factorization.

1154430312214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577215156109.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 1154430312214 its reverse (4122130344511), we get a palindrome (5276560656725).

The spelling of 1154430312214 in words is "one trillion, one hundred fifty-four billion, four hundred thirty million, three hundred twelve thousand, two hundred fourteen".