1043145541 has 4 divisors (see below), whose sum is σ = 1043217472. Its totient is φ = 1043073612.

The previous prime is 1043145511. The next prime is 1043145559. The reversal of 1043145541 is 1455413401.

1043145541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1043145541 - 2¹³ = 1043137349 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 (1043145511) 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, 5751 + ... + 46036.

It is an arithmetic number, because the mean of its divisors is an integer number (260804368).

Almost surely, 2^1043145541 is an apocalyptic number.

It is an amenable number.

1043145541 is a deficient number, since it is larger than the sum of its proper divisors (71931).

1043145541 is an equidigital number, since it uses as much as digits as its factorization.

1043145541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71930.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1043145541 is about 32297.7637151553. The cubic root of 1043145541 is about 1014.1798290794.

Adding to 1043145541 its reverse (1455413401), we get a palindrome (2498558942).

The spelling of 1043145541 in words is "one billion, forty-three million, one hundred forty-five thousand, five hundred forty-one".