1022544145 has 16 divisors (see below), whose sum is σ = 1447584768. Its totient is φ = 678553920.

The previous prime is 1022544121. The next prime is 1022544167. The reversal of 1022544145 is 5414452201.

1022544145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022544145 - 2⁵ = 1022544113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470134 + ... + 472303.

It is an arithmetic number, because the mean of its divisors is an integer number (90474048).

Almost surely, 2^1022544145 is an apocalyptic number.

It is an amenable number.

1022544145 is a deficient number, since it is larger than the sum of its proper divisors (425040623).

1022544145 is an equidigital number, since it uses as much as digits as its factorization.

1022544145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942480.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 1022544145 is about 31977.2441745689. The cubic root of 1022544145 is about 1007.4589408730.

Adding to 1022544145 its reverse (5414452201), we get a palindrome (6436996346).

The spelling of 1022544145 in words is "one billion, twenty-two million, five hundred forty-four thousand, one hundred forty-five".