245765432 has 32 divisors (see below), whose sum is σ = 506563200. Its totient is φ = 110853600.

The previous prime is 245765431. The next prime is 245765441. The reversal of 245765432 is 234567542.

It is a super-2 number, since 2×245765432² = 120801295132293248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245765431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 869 + ... + 22187.

It is an arithmetic number, because the mean of its divisors is an integer number (15830100).

Almost surely, 2^245765432 is an apocalyptic number.

245765432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245765432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253281600).

245765432 is an abundant number, since it is smaller than the sum of its proper divisors (260797768).

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

245765432 is a wasteful number, since it uses less digits than its factorization.

245765432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21467 (or 21463 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

The square root of 245765432 is about 15676.9076032233. The cubic root of 245765432 is about 626.3834374751.

The spelling of 245765432 in words is "two hundred forty-five million, seven hundred sixty-five thousand, four hundred thirty-two".