1020223145 has 8 divisors (see below), whose sum is σ = 1288703040. Its totient is φ = 773221680.

The previous prime is 1020223081. The next prime is 1020223147. The reversal of 1020223145 is 5413220201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020223145 - 2⁶ = 1020223081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020223147) 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 7 ways as a sum of consecutive naturals, for example, 5369501 + ... + 5369690.

It is an arithmetic number, because the mean of its divisors is an integer number (161087880).

Almost surely, 2^1020223145 is an apocalyptic number.

It is an amenable number.

1020223145 is a deficient number, since it is larger than the sum of its proper divisors (268479895).

1020223145 is a wasteful number, since it uses less digits than its factorization.

1020223145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739215.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1020223145 is about 31940.9321247831. The cubic root of 1020223145 is about 1006.6961103596.

Adding to 1020223145 its reverse (5413220201), we get a palindrome (6433443346).

The spelling of 1020223145 in words is "one billion, twenty million, two hundred twenty-three thousand, one hundred forty-five".