1145153215 has 8 divisors (see below), whose sum is σ = 1375485408. Its totient is φ = 915254880.

The previous prime is 1145153209. The next prime is 1145153221. The reversal of 1145153215 is 5123515411.

It is an interprime number because it is at equal distance from previous prime (1145153209) and next prime (1145153221).

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-1145153215 is a prime.

It is a super-2 number, since 2×1145153215² = 2622751771649672450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102627 + ... + 113236.

It is an arithmetic number, because the mean of its divisors is an integer number (171935676).

Almost surely, 2^1145153215 is an apocalyptic number.

1145153215 is a deficient number, since it is larger than the sum of its proper divisors (230332193).

1145153215 is a wasteful number, since it uses less digits than its factorization.

1145153215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216929.

The product of its digits is 3000, while the sum is 28.

The square root of 1145153215 is about 33840.1125145884. The cubic root of 1145153215 is about 1046.2156179360.

Adding to 1145153215 its reverse (5123515411), we get a palindrome (6268668626).

The spelling of 1145153215 in words is "one billion, one hundred forty-five million, one hundred fifty-three thousand, two hundred fifteen".