1045513540 has 24 divisors (see below), whose sum is σ = 2196660312. Its totient is φ = 417999360.

The previous prime is 1045513537. The next prime is 1045513559. The reversal of 1045513540 is 453155401.

It can be written as a sum of positive squares in 4 ways, for example, as 106213636 + 939299904 = 10306^2 + 30648^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1045513499 and 1045513508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32652 + ... + 56188.

It is an arithmetic number, because the mean of its divisors is an integer number (91527513).

Almost surely, 2^1045513540 is an apocalyptic number.

1045513540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045513540 is an abundant number, since it is smaller than the sum of its proper divisors (1151146772).

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

1045513540 is a wasteful number, since it uses less digits than its factorization.

1045513540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25767 (or 25765 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1045513540 is about 32334.4018036518. The cubic root of 1045513540 is about 1014.9466641876.

Adding to 1045513540 its reverse (453155401), we get a palindrome (1498668941).

The spelling of 1045513540 in words is "one billion, forty-five million, five hundred thirteen thousand, five hundred forty".