1145055379 has 8 divisors (see below), whose sum is σ = 1233399440. Its totient is φ = 1056748896.

The previous prime is 1145055323. The next prime is 1145055397. The reversal of 1145055379 is 9735505411.

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 1145055379 - 2⁷ = 1145055251 is a prime.

It is a super-2 number, since 2×1145055379² = 2622303641953667282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145055319) 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, 114232 + ... + 123850.

It is an arithmetic number, because the mean of its divisors is an integer number (154174930).

Almost surely, 2^1145055379 is an apocalyptic number.

1145055379 is a deficient number, since it is larger than the sum of its proper divisors (88344061).

1145055379 is an equidigital number, since it uses as much as digits as its factorization.

1145055379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18789.

The product of its (nonzero) digits is 94500, while the sum is 40.

The square root of 1145055379 is about 33838.6669211422. Note that the first 3 decimals coincide. The cubic root of 1145055379 is about 1046.1858226606.

The spelling of 1145055379 in words is "one billion, one hundred forty-five million, fifty-five thousand, three hundred seventy-nine".