1045450520 has 32 divisors (see below), whose sum is σ = 2384493120. Its totient is φ = 412450560.

The previous prime is 1045450519. The next prime is 1045450531. The reversal of 1045450520 is 250545401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045450520.

It is a congruent number.

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, 176096 + ... + 181935.

It is an arithmetic number, because the mean of its divisors is an integer number (74515410).

Almost surely, 2^1045450520 is an apocalyptic number.

1045450520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045450520 is an abundant number, since it is smaller than the sum of its proper divisors (1339042600).

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

1045450520 is a wasteful number, since it uses less digits than its factorization.

1045450520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358115 (or 358111 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1045450520 is about 32333.4272850869. The cubic root of 1045450520 is about 1014.9262712670.

Adding to 1045450520 its reverse (250545401), we get a palindrome (1295995921).

The spelling of 1045450520 in words is "one billion, forty-five million, four hundred fifty thousand, five hundred twenty".