1145296215 has 24 divisors (see below), whose sum is σ = 2268777888. Its totient is φ = 523563840.

The previous prime is 1145296177. The next prime is 1145296219. The reversal of 1145296215 is 5126925411.

1145296215 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 29 + 621 + 5 = 666.

It is not a de Polignac number, because 1145296215 - 2¹² = 1145292119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145296215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145296219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1817616 + ... + 1818245.

It is an arithmetic number, because the mean of its divisors is an integer number (94532412).

Almost surely, 2^1145296215 is an apocalyptic number.

1145296215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1145296215 is a deficient number, since it is larger than the sum of its proper divisors (1123481673).

1145296215 is a wasteful number, since it uses less digits than its factorization.

1145296215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635879 (or 3635876 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 1145296215 is about 33842.2253257672. The cubic root of 1145296215 is about 1046.2591645416.

The spelling of 1145296215 in words is "one billion, one hundred forty-five million, two hundred ninety-six thousand, two hundred fifteen".