1020145441 has 16 divisors (see below), whose sum is σ = 1212192000. Its totient is φ = 839982528.

The previous prime is 1020145421. The next prime is 1020145453. The reversal of 1020145441 is 1445410201.

It is not a de Polignac number, because 1020145441 - 2¹⁵ = 1020112673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020145421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27771 + ... + 53023.

It is an arithmetic number, because the mean of its divisors is an integer number (75762000).

Almost surely, 2^1020145441 is an apocalyptic number.

It is an amenable number.

1020145441 is a deficient number, since it is larger than the sum of its proper divisors (192046559).

1020145441 is a wasteful number, since it uses less digits than its factorization.

1020145441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25488.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1020145441 is about 31939.7157313587. The cubic root of 1020145441 is about 1006.6705518005.

Adding to 1020145441 its reverse (1445410201), we get a palindrome (2465555642).

The spelling of 1020145441 in words is "one billion, twenty million, one hundred forty-five thousand, four hundred forty-one".