1053223145 has 8 divisors (see below), whose sum is σ = 1361088456. Its totient is φ = 777764736.

The previous prime is 1053223139. The next prime is 1053223163. The reversal of 1053223145 is 5413223501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43191184 + 1010031961 = 6572^2 + 31781^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1053223145 - 2⁶ = 1053223081 is a prime.

It is a super-2 number, since 2×1053223145² = 2218557986327382050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8101652 + ... + 8101781.

It is an arithmetic number, because the mean of its divisors is an integer number (170136057).

Almost surely, 2^1053223145 is an apocalyptic number.

It is an amenable number.

1053223145 is a deficient number, since it is larger than the sum of its proper divisors (307865311).

1053223145 is a wasteful number, since it uses less digits than its factorization.

1053223145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16203451.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1053223145 is about 32453.3995907979. The cubic root of 1053223145 is about 1017.4352922043.

Adding to 1053223145 its reverse (5413223501), we get a palindrome (6466446646).

The spelling of 1053223145 in words is "one billion, fifty-three million, two hundred twenty-three thousand, one hundred forty-five".