245215432 has 32 divisors (see below), whose sum is σ = 573232320. Its totient is φ = 95538240.

The previous prime is 245215357. The next prime is 245215507. The reversal of 245215432 is 234512542.

245215432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245215357) and next prime (245215507).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 245215432.

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, 198423 + ... + 199654.

It is an arithmetic number, because the mean of its divisors is an integer number (17913510).

Almost surely, 2^245215432 is an apocalyptic number.

245215432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245215432 is an abundant number, since it is smaller than the sum of its proper divisors (328016888).

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

245215432 is a wasteful number, since it uses less digits than its factorization.

245215432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398101 (or 398097 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 245215432 is about 15659.3560531715. The cubic root of 245215432 is about 625.9158260049.

Adding to 245215432 its reverse (234512542), we get a palindrome (479727974).

The spelling of 245215432 in words is "two hundred forty-five million, two hundred fifteen thousand, four hundred thirty-two".