1145405033 has 4 divisors (see below), whose sum is σ = 1149064788. Its totient is φ = 1141745280.

The previous prime is 1145404979. The next prime is 1145405047. The reversal of 1145405033 is 3305045411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 507691024 + 637714009 = 22532^2 + 25253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145405033 - 2¹⁰ = 1145404009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145404993 and 1145405011.

It is not an unprimeable number, because it can be changed into a prime (1145405333) 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, 1829408 + ... + 1830033.

It is an arithmetic number, because the mean of its divisors is an integer number (287266197).

Almost surely, 2^1145405033 is an apocalyptic number.

It is an amenable number.

1145405033 is a deficient number, since it is larger than the sum of its proper divisors (3659755).

1145405033 is an equidigital number, since it uses as much as digits as its factorization.

1145405033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659754.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1145405033 is about 33843.8330128252. The cubic root of 1145405033 is about 1046.2922995573.

The spelling of 1145405033 in words is "one billion, one hundred forty-five million, four hundred five thousand, thirty-three".