1144144402 has 8 divisors (see below), whose sum is σ = 1745305200. Its totient is φ = 562376004.

The previous prime is 1144144399. The next prime is 1144144411. The reversal of 1144144402 is 2044414411.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4847952 + ... + 4848187.

It is an arithmetic number, because the mean of its divisors is an integer number (218163150).

Almost surely, 2^1144144402 is an apocalyptic number.

1144144402 is a deficient number, since it is larger than the sum of its proper divisors (601160798).

1144144402 is an equidigital number, since it uses as much as digits as its factorization.

1144144402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9696200.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1144144402 is about 33825.2036505325. The cubic root of 1144144402 is about 1045.9083094233.

Adding to 1144144402 its reverse (2044414411), we get a palindrome (3188558813).

The spelling of 1144144402 in words is "one billion, one hundred forty-four million, one hundred forty-four thousand, four hundred two".