1553315144 has 32 divisors (see below), whose sum is σ = 2986500000. Its totient is φ = 756991872.

The previous prime is 1553315119. The next prime is 1553315161. The reversal of 1553315144 is 4415133551.

It is a self number, because there is not a number n which added to its sum of digits gives 1553315144.

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, 167132 + ... + 176180.

It is an arithmetic number, because the mean of its divisors is an integer number (93328125).

Almost surely, 2^1553315144 is an apocalyptic number.

It is an amenable number.

1553315144 is a deficient number, since it is larger than the sum of its proper divisors (1433184856).

1553315144 is a wasteful number, since it uses less digits than its factorization.

1553315144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9597 (or 9593 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 1553315144 is about 39412.1192528390. The cubic root of 1553315144 is about 1158.1190145773.

Adding to 1553315144 its reverse (4415133551), we get a palindrome (5968448695).

The spelling of 1553315144 in words is "one billion, five hundred fifty-three million, three hundred fifteen thousand, one hundred forty-four".