1016022145 has 4 divisors (see below), whose sum is σ = 1219226580. Its totient is φ = 812817712.

The previous prime is 1016022071. The next prime is 1016022149. The reversal of 1016022145 is 5412206101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5412206101 = 857 ⋅6315293.

It can be written as a sum of positive squares in 2 ways, for example, as 577873521 + 438148624 = 24039^2 + 20932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1016022145 - 2¹⁷ = 1015891073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1016022149) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 101602210 + ... + 101602219.

It is an arithmetic number, because the mean of its divisors is an integer number (304806645).

Almost surely, 2^1016022145 is an apocalyptic number.

It is an amenable number.

1016022145 is a deficient number, since it is larger than the sum of its proper divisors (203204435).

1016022145 is an equidigital number, since it uses as much as digits as its factorization.

1016022145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203204434.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1016022145 is about 31875.1022743457. The cubic root of 1016022145 is about 1005.3124429736.

Adding to 1016022145 its reverse (5412206101), we get a palindrome (6428228246).

The spelling of 1016022145 in words is "one billion, sixteen million, twenty-two thousand, one hundred forty-five".