1045358223 has 64 divisors (see below), whose sum is σ = 1784832000. Its totient is φ = 529390080.

The previous prime is 1045358219. The next prime is 1045358231. The reversal of 1045358223 is 3228535401.

It is a Cunningham number, because it is equal to 32332²-1.

It is not a de Polignac number, because 1045358223 - 2² = 1045358219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045358243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1260573 + ... + 1261401.

It is an arithmetic number, because the mean of its divisors is an integer number (27888000).

Almost surely, 2^1045358223 is an apocalyptic number.

1045358223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1045358223 is a deficient number, since it is larger than the sum of its proper divisors (739473777).

1045358223 is a wasteful number, since it uses less digits than its factorization.

1045358223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1045358223 is about 32331.9999845354. Note that the first 4 decimals coincide. The cubic root of 1045358223 is about 1014.8964029932.

The spelling of 1045358223 in words is "one billion, forty-five million, three hundred fifty-eight thousand, two hundred twenty-three".