1045419818 has 4 divisors (see below), whose sum is σ = 1568129730. Its totient is φ = 522709908.

The previous prime is 1045419799. The next prime is 1045419857. The reversal of 1045419818 is 8189145401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8189145401 = 151 ⋅54232751.

It can be written as a sum of positive squares in only one way, i.e., 869247289 + 176172529 = 29483^2 + 13273^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261354953 + ... + 261354956.

Almost surely, 2^1045419818 is an apocalyptic number.

1045419818 is a deficient number, since it is larger than the sum of its proper divisors (522709912).

1045419818 is an equidigital number, since it uses as much as digits as its factorization.

1045419818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522709911.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 1045419818 is about 32332.9525097848. The cubic root of 1045419818 is about 1014.9163359740.

The spelling of 1045419818 in words is "one billion, forty-five million, four hundred nineteen thousand, eight hundred eighteen".