1052323220145 has 8 divisors (see below), whose sum is σ = 1683717152256. Its totient is φ = 561239050736.

The previous prime is 1052323220129. The next prime is 1052323220149. The reversal of 1052323220145 is 5410223232501.

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 1052323220145 - 2⁴ = 1052323220129 is a prime.

It is a super-2 number, since 2×1052323220145² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1052323220149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35077440657 + ... + 35077440686.

It is an arithmetic number, because the mean of its divisors is an integer number (210464644032).

Almost surely, 2^{1052323220145} is an apocalyptic number.

1052323220145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052323220145 is a deficient number, since it is larger than the sum of its proper divisors (631393932111).

1052323220145 is an equidigital number, since it uses as much as digits as its factorization.

1052323220145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70154881351.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1052323220145 its reverse (5410223232501), we get a palindrome (6462546452646).

The spelling of 1052323220145 in words is "one trillion, fifty-two billion, three hundred twenty-three million, two hundred twenty thousand, one hundred forty-five".