1145055250 has 32 divisors (see below), whose sum is σ = 2147391792. Its totient is φ = 457200000.

The previous prime is 1145055229. The next prime is 1145055251. The reversal of 1145055250 is 525505411.

It can be written as a sum of positive squares in 8 ways, for example, as 351450009 + 793605241 = 18747^2 + 28171^2 .

It is a super-2 number, since 2×1145055250² = 2622303051105125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145055251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146440 + ... + 154060.

Almost surely, 2^1145055250 is an apocalyptic number.

1145055250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145055250 is a deficient number, since it is larger than the sum of its proper divisors (1002336542).

1145055250 is an equidigital number, since it uses as much as digits as its factorization.

1145055250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8239 (or 8229 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 1145055250 is about 33838.6650150386. The cubic root of 1145055250 is about 1046.1857833734.

The spelling of 1145055250 in words is "one billion, one hundred forty-five million, fifty-five thousand, two hundred fifty".