945491520 has 112 divisors (see below), whose sum is σ = 3052998720. Its totient is φ = 247842816.

The previous prime is 945491497. The next prime is 945491531. The reversal of 945491520 is 25194549.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48294 + ... + 64986.

Almost surely, 2^945491520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 945491520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526499360).

945491520 is an abundant number, since it is smaller than the sum of its proper divisors (2107507200).

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

945491520 is a wasteful number, since it uses less digits than its factorization.

945491520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16772 (or 16762 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 945491520 is about 30748.8458319983. The cubic root of 945491520 is about 981.4900005530.

It can be divided in two parts, 94549 and 1520, that added together give a palindrome (96069).

The spelling of 945491520 in words is "nine hundred forty-five million, four hundred ninety-one thousand, five hundred twenty".