1145155422 has 64 divisors (see below), whose sum is σ = 2520403200. Its totient is φ = 345461760.

The previous prime is 1145155421. The next prime is 1145155433. The reversal of 1145155422 is 2245515411.

It is a super-2 number, since 2×1145155422² = 2622761881071996168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145155422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145155421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318897 + ... + 322467.

It is an arithmetic number, because the mean of its divisors is an integer number (39381300).

Almost surely, 2^1145155422 is an apocalyptic number.

1145155422 is an abundant number, since it is smaller than the sum of its proper divisors (1375247778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145155422 is a wasteful number, since it uses less digits than its factorization.

1145155422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721.

The product of its digits is 8000, while the sum is 30.

The square root of 1145155422 is about 33840.1451238023. The cubic root of 1145155422 is about 1046.2162900430.

The spelling of 1145155422 in words is "one billion, one hundred forty-five million, one hundred fifty-five thousand, four hundred twenty-two".