1043540145 has 32 divisors (see below), whose sum is σ = 1857997440. Its totient is φ = 555710400.

The previous prime is 1043540131. The next prime is 1043540149. The reversal of 1043540145 is 5410453401.

It is a happy number.

1043540145 is a `hidden beast` number, since 104 + 3 + 540 + 14 + 5 = 666.

1043540145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1043540145 - 2¹⁰ = 1043539121 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1043540149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89122 + ... + 100148.

It is an arithmetic number, because the mean of its divisors is an integer number (58062420).

Almost surely, 2^1043540145 is an apocalyptic number.

1043540145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043540145 is a deficient number, since it is larger than the sum of its proper divisors (814457295).

1043540145 is a wasteful number, since it uses less digits than its factorization.

1043540145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742 (or 11736 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1043540145 is about 32303.8719815443. The cubic root of 1043540145 is about 1014.3076952142.

Adding to 1043540145 its reverse (5410453401), we get a palindrome (6453993546).

The spelling of 1043540145 in words is "one billion, forty-three million, five hundred forty thousand, one hundred forty-five".