1144143402 has 8 divisors (see below), whose sum is σ = 2288286816. Its totient is φ = 381381132.

The previous prime is 1144143397. The next prime is 1144143437. The reversal of 1144143402 is 2043414411.

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

1144143402 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95345278 + ... + 95345289.

It is an arithmetic number, because the mean of its divisors is an integer number (286035852).

Almost surely, 2^1144143402 is an apocalyptic number.

1144143402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1144143402 is a wasteful number, since it uses less digits than its factorization.

1144143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190690572.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1144143402 is about 33825.1888686523. The cubic root of 1144143402 is about 1045.9080047099.

Adding to 1144143402 its reverse (2043414411), we get a palindrome (3187557813).

The spelling of 1144143402 in words is "one billion, one hundred forty-four million, one hundred forty-three thousand, four hundred two".