1145226045 has 16 divisors (see below), whose sum is σ = 1928802240. Its totient is φ = 578640384.

The previous prime is 1145226031. The next prime is 1145226079. The reversal of 1145226045 is 5406225411.

It is not a de Polignac number, because 1145226045 - 2¹⁰ = 1145225021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2008884 + ... + 2009453.

It is an arithmetic number, because the mean of its divisors is an integer number (120550140).

Almost surely, 2^1145226045 is an apocalyptic number.

1145226045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1145226045 is a deficient number, since it is larger than the sum of its proper divisors (783576195).

1145226045 is a wasteful number, since it uses less digits than its factorization.

1145226045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4018364.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1145226045 is about 33841.1885872822. The cubic root of 1145226045 is about 1046.2377967057.

The spelling of 1145226045 in words is "one billion, one hundred forty-five million, two hundred twenty-six thousand, forty-five".