1145994224 has 20 divisors (see below), whose sum is σ = 2248472160. Its totient is φ = 565743360.

The previous prime is 1145994217. The next prime is 1145994271. The reversal of 1145994224 is 4224995411.

It is a super-2 number, since 2×1145994224² = 2626605522882724352, which contains 22 as substring.

It is a congruent number.

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, 452057 + ... + 454584.

It is an arithmetic number, because the mean of its divisors is an integer number (112423608).

Almost surely, 2^1145994224 is an apocalyptic number.

It is an amenable number.

1145994224 is a deficient number, since it is larger than the sum of its proper divisors (1102477936).

1145994224 is an equidigital number, since it uses as much as digits as its factorization.

1145994224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906728 (or 906722 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 1145994224 is about 33852.5364485440. The cubic root of 1145994224 is about 1046.4716714291.

The spelling of 1145994224 in words is "one billion, one hundred forty-five million, nine hundred ninety-four thousand, two hundred twenty-four".