245430432 has 96 divisors (see below), whose sum is σ = 770938560. Its totient is φ = 75513600.

The previous prime is 245430397. The next prime is 245430433. The reversal of 245430432 is 234034542.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 245430396 and 245430405.

It is not an unprimeable number, because it can be changed into a prime (245430433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307 + ... + 22157.

It is an arithmetic number, because the mean of its divisors is an integer number (8030610).

Almost surely, 2^245430432 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 245430432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385469280).

245430432 is an abundant number, since it is smaller than the sum of its proper divisors (525508128).

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

245430432 is a wasteful number, since it uses less digits than its factorization.

245430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21883 (or 21869 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 245430432 is about 15666.2194546100. The cubic root of 245430432 is about 626.0987027386.

Adding to 245430432 its reverse (234034542), we get a palindrome (479464974).

The spelling of 245430432 in words is "two hundred forty-five million, four hundred thirty thousand, four hundred thirty-two".