1045455730 has 24 divisors (see below), whose sum is σ = 2068449516. Its totient is φ = 380165280.

The previous prime is 1045455721. The next prime is 1045455737. The reversal of 1045455730 is 375545401.

1045455730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1043742249 + 1713481 = 32307^2 + 1309^2 .

It is not an unprimeable number, because it can be changed into a prime (1045455737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430797 + ... + 433216.

Almost surely, 2^1045455730 is an apocalyptic number.

1045455730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1045455730 is a deficient number, since it is larger than the sum of its proper divisors (1022993786).

1045455730 is a wasteful number, since it uses less digits than its factorization.

1045455730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864042 (or 864031 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 1045455730 is about 32333.5078517627. The cubic root of 1045455730 is about 1014.9279572250.

The spelling of 1045455730 in words is "one billion, forty-five million, four hundred fifty-five thousand, seven hundred thirty".