1145888015 has 8 divisors (see below), whose sum is σ = 1376470368. Its totient is φ = 915773920.

The previous prime is 1145887987. The next prime is 1145888017. The reversal of 1145888015 is 5108885411.

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

It is a de Polignac number, because none of the positive numbers 2^k-1145888015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145888017) 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, 111656 + ... + 121485.

It is an arithmetic number, because the mean of its divisors is an integer number (172058796).

Almost surely, 2^1145888015 is an apocalyptic number.

1145888015 is a deficient number, since it is larger than the sum of its proper divisors (230582353).

1145888015 is an equidigital number, since it uses as much as digits as its factorization.

1145888015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234129.

The product of its (nonzero) digits is 51200, while the sum is 41.

The square root of 1145888015 is about 33850.9677114259. The cubic root of 1145888015 is about 1046.4393419632.

The spelling of 1145888015 in words is "one billion, one hundred forty-five million, eight hundred eighty-eight thousand, fifteen".