1144021552 has 20 divisors (see below), whose sum is σ = 2227799376. Its totient is φ = 569105600.

The previous prime is 1144021499. The next prime is 1144021577. The reversal of 1144021552 is 2551204411.

It is a super-2 number, since 2×1144021552² = 2617570622880977408, which contains 22 as substring.

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, 178324 + ... + 184627.

Almost surely, 2^1144021552 is an apocalyptic number.

It is an amenable number.

1144021552 is a deficient number, since it is larger than the sum of its proper divisors (1083777824).

1144021552 is a wasteful number, since it uses less digits than its factorization.

1144021552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363156 (or 363150 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1144021552 is about 33823.3876481940. The cubic root of 1144021552 is about 1045.8708740452.

Adding to 1144021552 its reverse (2551204411), we get a palindrome (3695225963).

The spelling of 1144021552 in words is "one billion, one hundred forty-four million, twenty-one thousand, five hundred fifty-two".