1145379211 has 8 divisors (see below), whose sum is σ = 1151511584. Its totient is φ = 1139261760.

The previous prime is 1145379161. The next prime is 1145379217. The reversal of 1145379211 is 1129735411.

It is a happy number.

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 1145379211 - 2⁷ = 1145379083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145379217) 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, 171511 + ... + 178063.

It is an arithmetic number, because the mean of its divisors is an integer number (143938948).

Almost surely, 2^1145379211 is an apocalyptic number.

1145379211 is a deficient number, since it is larger than the sum of its proper divisors (6132373).

1145379211 is an equidigital number, since it uses as much as digits as its factorization.

1145379211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7461.

The product of its digits is 7560, while the sum is 34.

The square root of 1145379211 is about 33843.4515231529. The cubic root of 1145379211 is about 1046.2844369637.

The spelling of 1145379211 in words is "one billion, one hundred forty-five million, three hundred seventy-nine thousand, two hundred eleven".