1145055230 has 128 divisors (see below), whose sum is σ = 2523156480. Its totient is φ = 369008640.

The previous prime is 1145055229. The next prime is 1145055251. The reversal of 1145055230 is 325505411.

It is a super-2 number, since 2×1145055230² = 2622302959500705800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145055230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3397622 + ... + 3397958.

It is an arithmetic number, because the mean of its divisors is an integer number (19712160).

Almost surely, 2^1145055230 is an apocalyptic number.

1145055230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145055230 is an abundant number, since it is smaller than the sum of its proper divisors (1378101250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145055230 is a wasteful number, since it uses less digits than its factorization.

1145055230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1145055230 is about 33838.6647195187. The cubic root of 1145055230 is about 1046.1857772824.

The spelling of 1145055230 in words is "one billion, one hundred forty-five million, fifty-five thousand, two hundred thirty".