1145264619 has 8 divisors (see below), whose sum is σ = 1616844240. Its totient is φ = 718597376.

The previous prime is 1145264611. The next prime is 1145264621. The reversal of 1145264619 is 9164625411.

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 1145264619 - 2³ = 1145264611 is a prime.

It is a super-2 number, since 2×1145264619² = 2623262095066430322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145264611) 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, 11228034 + ... + 11228135.

It is an arithmetic number, because the mean of its divisors is an integer number (202105530).

Almost surely, 2^1145264619 is an apocalyptic number.

1145264619 is a deficient number, since it is larger than the sum of its proper divisors (471579621).

1145264619 is a wasteful number, since it uses less digits than its factorization.

1145264619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22456189.

The product of its digits is 51840, while the sum is 39.

The square root of 1145264619 is about 33841.7585092737. The cubic root of 1145264619 is about 1046.2495431854.

The spelling of 1145264619 in words is "one billion, one hundred forty-five million, two hundred sixty-four thousand, six hundred nineteen".