10555145 has 4 divisors (see below), whose sum is σ = 12666180. Its totient is φ = 8444112.

The previous prime is 10555121. The next prime is 10555157. The reversal of 10555145 is 54155501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54155501 = 23 ⋅2354587.

It can be written as a sum of positive squares in 2 ways, for example, as 5555449 + 4999696 = 2357^2 + 2236^2 .

It is a cyclic number.

It is not a de Polignac number, because 10555145 - 2⁸ = 10554889 is a prime.

It is a super-2 number, since 2×10555145² = 222822171942050, 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, 1055510 + ... + 1055519.

It is an arithmetic number, because the mean of its divisors is an integer number (3166545).

Almost surely, 2^10555145 is an apocalyptic number.

It is an amenable number.

10555145 is a deficient number, since it is larger than the sum of its proper divisors (2111035).

10555145 is an equidigital number, since it uses as much as digits as its factorization.

10555145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111034.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 10555145 is about 3248.8682644884. The cubic root of 10555145 is about 219.3586348022.

The spelling of 10555145 in words is "ten million, five hundred fifty-five thousand, one hundred forty-five".