1145633219 has 8 divisors (see below), whose sum is σ = 1172909760. Its totient is φ = 1118385576.

The previous prime is 1145633207. The next prime is 1145633221. The reversal of 1145633219 is 9123365411.

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

It is a cyclic number.

It is not a de Polignac number, because 1145633219 - 2⁸ = 1145632963 is a prime.

It is a super-2 number, since 2×1145633219² = 2624950944952603922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145633299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87584 + ... + 99810.

It is an arithmetic number, because the mean of its divisors is an integer number (146613720).

Almost surely, 2^1145633219 is an apocalyptic number.

1145633219 is a deficient number, since it is larger than the sum of its proper divisors (27276541).

1145633219 is a wasteful number, since it uses less digits than its factorization.

1145633219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14449.

The product of its digits is 19440, while the sum is 35.

The square root of 1145633219 is about 33847.2040056487. The cubic root of 1145633219 is about 1046.3617752435.

The spelling of 1145633219 in words is "one billion, one hundred forty-five million, six hundred thirty-three thousand, two hundred nineteen".