1145042210 has 32 divisors (see below), whose sum is σ = 2261513520. Its totient is φ = 414805248.

The previous prime is 1145042207. The next prime is 1145042231. The reversal of 1145042210 is 122405411.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 290123089 + 854919121 = 17033^2 + 29239^2 .

It is a super-2 number, since 2×1145042210² = 2622243325363368200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76205 + ... + 89984.

Almost surely, 2^1145042210 is an apocalyptic number.

1145042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1145042210 is a deficient number, since it is larger than the sum of its proper divisors (1116471310).

1145042210 is a wasteful number, since it uses less digits than its factorization.

1145042210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166262.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1145042210 is about 33838.4723354941. The cubic root of 1145042210 is about 1046.1818120033.

Adding to 1145042210 its reverse (122405411), we get a palindrome (1267447621).

The spelling of 1145042210 in words is "one billion, one hundred forty-five million, forty-two thousand, two hundred ten".