1145153213 has 8 divisors (see below), whose sum is σ = 1164219840. Its totient is φ = 1126144800.

The previous prime is 1145153209. The next prime is 1145153221. The reversal of 1145153213 is 3123515411.

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 1145153213 - 2² = 1145153209 is a prime.

It is a super-2 number, since 2×1145153213² = 2622751762488446738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145183213) 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, 26048 + ... + 54486.

It is an arithmetic number, because the mean of its divisors is an integer number (145527480).

Almost surely, 2^1145153213 is an apocalyptic number.

It is an amenable number.

1145153213 is a deficient number, since it is larger than the sum of its proper divisors (19066627).

1145153213 is an equidigital number, since it uses as much as digits as its factorization.

1145153213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29107.

The product of its digits is 1800, while the sum is 26.

The square root of 1145153213 is about 33840.1124850376. The cubic root of 1145153213 is about 1046.2156173269.

Adding to 1145153213 its reverse (3123515411), we get a palindrome (4268668624).

The spelling of 1145153213 in words is "one billion, one hundred forty-five million, one hundred fifty-three thousand, two hundred thirteen".