1143502214 has 8 divisors (see below), whose sum is σ = 1730989920. Its totient is φ = 566505576.

The previous prime is 1143502211. The next prime is 1143502249. The reversal of 1143502214 is 4122053411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1143502214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143502211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2622494 + ... + 2622929.

It is an arithmetic number, because the mean of its divisors is an integer number (216373740).

Almost surely, 2^1143502214 is an apocalyptic number.

1143502214 is a deficient number, since it is larger than the sum of its proper divisors (587487706).

1143502214 is a wasteful number, since it uses less digits than its factorization.

1143502214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245534.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1143502214 is about 33815.7095741018. The cubic root of 1143502214 is about 1045.7125895274.

Adding to 1143502214 its reverse (4122053411), we get a palindrome (5265555625).

The spelling of 1143502214 in words is "one billion, one hundred forty-three million, five hundred two thousand, two hundred fourteen".