1045144141 has 4 divisors (see below), whose sum is σ = 1045241692. Its totient is φ = 1045046592.

The previous prime is 1045144129. The next prime is 1045144147. The reversal of 1045144141 is 1414415401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1414415401 = 7 ⋅202059343.

It can be written as a sum of positive squares in 2 ways, for example, as 157402116 + 887742025 = 12546^2 + 29795^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045144141 - 2⁵ = 1045144109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045144147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30396 + ... + 54901.

It is an arithmetic number, because the mean of its divisors is an integer number (261310423).

Almost surely, 2^1045144141 is an apocalyptic number.

It is an amenable number.

1045144141 is a deficient number, since it is larger than the sum of its proper divisors (97551).

1045144141 is an equidigital number, since it uses as much as digits as its factorization.

1045144141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97550.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 1045144141 is about 32328.6891321006. The cubic root of 1045144141 is about 1014.8271170520.

Adding to 1045144141 its reverse (1414415401), we get a palindrome (2459559542).

The spelling of 1045144141 in words is "one billion, forty-five million, one hundred forty-four thousand, one hundred forty-one".