255546145 has 8 divisors (see below), whose sum is σ = 310101480. Its totient is φ = 202139520.

The previous prime is 255546133. The next prime is 255546157. The reversal of 255546145 is 541645552.

It is an interprime number because it is at equal distance from previous prime (255546133) and next prime (255546157).

It can be written as a sum of positive squares in 4 ways, for example, as 2322576 + 253223569 = 1524^2 + 15913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255546145 - 2⁷ = 255546017 is a prime.

It is a super-2 number, since 2×255546145² = 130607664448722050, which contains 22 as substring.

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, 286686 + ... + 287575.

It is an arithmetic number, because the mean of its divisors is an integer number (38762685).

Almost surely, 2^255546145 is an apocalyptic number.

It is an amenable number.

255546145 is a deficient number, since it is larger than the sum of its proper divisors (54555335).

255546145 is an equidigital number, since it uses as much as digits as its factorization.

255546145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574355.

The product of its digits is 120000, while the sum is 37.

The square root of 255546145 is about 15985.8107395277. The cubic root of 255546145 is about 634.5849644960.

The spelling of 255546145 in words is "two hundred fifty-five million, five hundred forty-six thousand, one hundred forty-five".