1553153345 has 16 divisors (see below), whose sum is σ = 1879137360. Its totient is φ = 1232323584.

The previous prime is 1553153321. The next prime is 1553153387. The reversal of 1553153345 is 5433513551.

It can be written as a sum of positive squares in 8 ways, for example, as 46471489 + 1506681856 = 6817^2 + 38816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553153345 - 2⁶ = 1553153281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393341 + ... + 397269.

It is an arithmetic number, because the mean of its divisors is an integer number (117446085).

Almost surely, 2^1553153345 is an apocalyptic number.

It is an amenable number.

1553153345 is a deficient number, since it is larger than the sum of its proper divisors (325984015).

1553153345 is a wasteful number, since it uses less digits than its factorization.

1553153345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564.

The product of its digits is 67500, while the sum is 35.

The square root of 1553153345 is about 39410.0665439682. The cubic root of 1553153345 is about 1158.0788018736.

Adding to 1553153345 its reverse (5433513551), we get a palindrome (6986666896).

The spelling of 1553153345 in words is "one billion, five hundred fifty-three million, one hundred fifty-three thousand, three hundred forty-five".