1040454245 has 16 divisors (see below), whose sum is σ = 1283803248. Its totient is φ = 808911360.

The previous prime is 1040454223. The next prime is 1040454251. The reversal of 1040454245 is 5424540401.

It can be written as a sum of positive squares in 8 ways, for example, as 429276961 + 611177284 = 20719^2 + 24722^2 .

It is not a de Polignac number, because 1040454245 - 2⁸ = 1040453989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181625 + ... + 187265.

It is an arithmetic number, because the mean of its divisors is an integer number (80237703).

Almost surely, 2^1040454245 is an apocalyptic number.

It is an amenable number.

1040454245 is a deficient number, since it is larger than the sum of its proper divisors (243349003).

1040454245 is an equidigital number, since it uses as much as digits as its factorization.

1040454245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1040454245 is about 32256.0729940890. The cubic root of 1040454245 is about 1013.3068895911.

Adding to 1040454245 its reverse (5424540401), we get a palindrome (6464994646).

The spelling of 1040454245 in words is "one billion, forty million, four hundred fifty-four thousand, two hundred forty-five".