945497280 has 448 divisors, whose sum is σ = 3768791040. Its totient is φ = 195526656.

The previous prime is 945497251. The next prime is 945497281. The reversal of 945497280 is 82794549.

It is a tau number, because it is divible by the number of its divisors (448).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (945497281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6901372 + ... + 6901508.

It is an arithmetic number, because the mean of its divisors is an integer number (8412480).

Almost surely, 2^945497280 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 945497280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1884395520).

945497280 is an abundant number, since it is smaller than the sum of its proper divisors (2823293760).

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

945497280 is a wasteful number, since it uses less digits than its factorization.

945497280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 945497280 is about 30748.9394939078. The cubic root of 945497280 is about 981.4919936507.

The spelling of 945497280 in words is "nine hundred forty-five million, four hundred ninety-seven thousand, two hundred eighty".