1143211414 has 4 divisors (see below), whose sum is σ = 1714817124. Its totient is φ = 571605706.

The previous prime is 1143211411. The next prime is 1143211417. The reversal of 1143211414 is 4141123411.

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

It is an interprime number because it is at equal distance from previous prime (1143211411) and next prime (1143211417).

It is a super-3 number, since 3×1143211414³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143211411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285802852 + ... + 285802855.

It is an arithmetic number, because the mean of its divisors is an integer number (428704281).

Almost surely, 2^1143211414 is an apocalyptic number.

1143211414 is a deficient number, since it is larger than the sum of its proper divisors (571605710).

1143211414 is an equidigital number, since it uses as much as digits as its factorization.

1143211414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571605709.

The product of its digits is 384, while the sum is 22.

The square root of 1143211414 is about 33811.4095240054. The cubic root of 1143211414 is about 1045.6239381898.

Adding to 1143211414 its reverse (4141123411), we get a palindrome (5284334825).

The spelling of 1143211414 in words is "one billion, one hundred forty-three million, two hundred eleven thousand, four hundred fourteen".