1144444402 has 16 divisors (see below), whose sum is σ = 1749945600. Its totient is φ = 561225600.

The previous prime is 1144444397. The next prime is 1144444459. The reversal of 1144444402 is 2044444411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127 + ... + 47842.

It is an arithmetic number, because the mean of its divisors is an integer number (109371600).

Almost surely, 2^1144444402 is an apocalyptic number.

1144444402 is a deficient number, since it is larger than the sum of its proper divisors (605501198).

1144444402 is a wasteful number, since it uses less digits than its factorization.

1144444402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48201.

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 1144444402 is about 33829.6379229811. The cubic root of 1144444402 is about 1045.9997154475. Note that the first 3 decimals are identical.

Adding to 1144444402 its reverse (2044444411), we get a palindrome (3188888813).

Subtracting 1144444402 from its reverse (2044444411), we obtain a palindrome (900000009).

The spelling of 1144444402 in words is "one billion, one hundred forty-four million, four hundred forty-four thousand, four hundred two".