1000045460 has 12 divisors (see below), whose sum is σ = 2100095508. Its totient is φ = 400018176.

The previous prime is 1000045441. The next prime is 1000045463. The reversal of 1000045460 is 645400001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 218507524 + 781537936 = 14782^2 + 27956^2 .

It is a super-2 number, since 2×1000045460² = 2000181844133223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 50002273 = 1000045460 / (1 + 0 + 0 + 0 + 0 + 4 + 5 + 4 + 6 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000045463) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 25001117 + ... + 25001156.

It is an arithmetic number, because the mean of its divisors is an integer number (175007959).

Almost surely, 2^1000045460 is an apocalyptic number.

1000045460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000045460 is an abundant number, since it is smaller than the sum of its proper divisors (1100050048).

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

1000045460 is a wasteful number, since it uses less digits than its factorization.

1000045460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50002282 (or 50002280 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1000045460 is about 31623.4953792271. The cubic root of 1000045460 is about 1000.0151531037.

Adding to 1000045460 its reverse (645400001), we get a palindrome (1645445461).

The spelling of 1000045460 in words is "one billion, forty-five thousand, four hundred sixty".