1045499730 has 192 divisors, whose sum is σ = 2941287552. Its totient is φ = 235755520.

The previous prime is 1045499699. The next prime is 1045499731. The reversal of 1045499730 is 379945401.

1045499730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1045499731) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9252154 + ... + 9252266.

It is an arithmetic number, because the mean of its divisors is an integer number (15319206).

Almost surely, 2^1045499730 is an apocalyptic number.

1045499730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045499730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470643776).

1045499730 is an abundant number, since it is smaller than the sum of its proper divisors (1895787822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045499730 is a wasteful number, since it uses less digits than its factorization.

1045499730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1045499730 is about 32334.1882533024. The cubic root of 1045499730 is about 1014.9421954187.

The spelling of 1045499730 in words is "one billion, forty-five million, four hundred ninety-nine thousand, seven hundred thirty".