945640248 has 128 divisors (see below), whose sum is σ = 2774822400. Its totient is φ = 262987776.

The previous prime is 945640243. The next prime is 945640261. The reversal of 945640248 is 842046549.

945640248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945640243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1017448 + ... + 1018376.

It is an arithmetic number, because the mean of its divisors is an integer number (21678300).

Almost surely, 2^945640248 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 945640248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387411200).

945640248 is an abundant number, since it is smaller than the sum of its proper divisors (1829182152).

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

945640248 is a wasteful number, since it uses less digits than its factorization.

945640248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 945640248 is about 30751.2641691362. The cubic root of 945640248 is about 981.5414614028.

The spelling of 945640248 in words is "nine hundred forty-five million, six hundred forty thousand, two hundred forty-eight".