1045793090 has 16 divisors (see below), whose sum is σ = 1885008888. Its totient is φ = 417743616.

The previous prime is 1045793083. The next prime is 1045793107. The reversal of 1045793090 is 903975401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1029960649 + 15832441 = 32093^2 + 3979^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64007 + ... + 78666.

Almost surely, 2^1045793090 is an apocalyptic number.

1045793090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045793090 is a deficient number, since it is larger than the sum of its proper divisors (839215798).

1045793090 is a wasteful number, since it uses less digits than its factorization.

1045793090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143413.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1045793090 is about 32338.7243100281. The cubic root of 1045793090 is about 1015.0371151303.

The spelling of 1045793090 in words is "one billion, forty-five million, seven hundred ninety-three thousand, ninety".