2553481145 has 4 divisors (see below), whose sum is σ = 3064177380. Its totient is φ = 2042784912.

The previous prime is 2553481123. The next prime is 2553481159. The reversal of 2553481145 is 5411843552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1985326249 + 568154896 = 44557^2 + 23836^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553481145 - 2⁶ = 2553481081 is a prime.

It is a super-2 number, since 2×2553481145² = 13040531915741022050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2553481099 and 2553481108.

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, 255348110 + ... + 255348119.

It is an arithmetic number, because the mean of its divisors is an integer number (766044345).

Almost surely, 2^2553481145 is an apocalyptic number.

It is an amenable number.

2553481145 is a deficient number, since it is larger than the sum of its proper divisors (510696235).

2553481145 is an equidigital number, since it uses as much as digits as its factorization.

2553481145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510696234.

The product of its digits is 96000, while the sum is 38.

The square root of 2553481145 is about 50531.9814078174. The cubic root of 2553481145 is about 1366.8186156323.

The spelling of 2553481145 in words is "two billion, five hundred fifty-three million, four hundred eighty-one thousand, one hundred forty-five".