1043340545 has 32 divisors (see below), whose sum is σ = 1381750272. Its totient is φ = 751479552.

The previous prime is 1043340509. The next prime is 1043340577. The reversal of 1043340545 is 5450433401.

It is a cyclic number.

It is not a de Polignac number, because 1043340545 - 2⁸ = 1043340289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1597439 + ... + 1598091.

It is an arithmetic number, because the mean of its divisors is an integer number (43179696).

Almost surely, 2^1043340545 is an apocalyptic number.

It is an amenable number.

1043340545 is a deficient number, since it is larger than the sum of its proper divisors (338409727).

1043340545 is a wasteful number, since it uses less digits than its factorization.

1043340545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 1043340545 is about 32300.7824208640. The cubic root of 1043340545 is about 1014.2430215402.

Adding to 1043340545 its reverse (5450433401), we get a palindrome (6493773946).

The spelling of 1043340545 in words is "one billion, forty-three million, three hundred forty thousand, five hundred forty-five".