1040450245 has 4 divisors (see below), whose sum is σ = 1248540300. Its totient is φ = 832360192.

The previous prime is 1040450237. The next prime is 1040450251. The reversal of 1040450245 is 5420540401.

It is a happy number.

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 647498916 + 392951329 = 25446^2 + 19823^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040450245 - 2³ = 1040450237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104045020 + ... + 104045029.

It is an arithmetic number, because the mean of its divisors is an integer number (312135075).

Almost surely, 2^1040450245 is an apocalyptic number.

It is an amenable number.

1040450245 is a deficient number, since it is larger than the sum of its proper divisors (208090055).

1040450245 is an equidigital number, since it uses as much as digits as its factorization.

1040450245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208090054.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1040450245 is about 32256.0109902015. The cubic root of 1040450245 is about 1013.3055910452.

Adding to 1040450245 its reverse (5420540401), we get a palindrome (6460990646).

The spelling of 1040450245 in words is "one billion, forty million, four hundred fifty thousand, two hundred forty-five".