1145422906 has 64 divisors (see below), whose sum is σ = 1946419200. Its totient is φ = 502951680.

The previous prime is 1145422879. The next prime is 1145422913. The reversal of 1145422906 is 6092245411.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5755795 + ... + 5755993.

It is an arithmetic number, because the mean of its divisors is an integer number (30412800).

Almost surely, 2^1145422906 is an apocalyptic number.

1145422906 is a deficient number, since it is larger than the sum of its proper divisors (800996294).

1145422906 is a wasteful number, since it uses less digits than its factorization.

1145422906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1145422906 is about 33844.0970628557. The cubic root of 1145422906 is about 1046.2977416744.

The spelling of 1145422906 in words is "one billion, one hundred forty-five million, four hundred twenty-two thousand, nine hundred six".