245432320 has 136 divisors (see below), whose sum is σ = 679472064. Its totient is φ = 83361792.

The previous prime is 245432309. The next prime is 245432339. The reversal of 245432320 is 23234542.

It is a nialpdrome in base 16.

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, 2293707 + ... + 2293813.

Almost surely, 2^245432320 is an apocalyptic number.

245432320 is a gapful number since it is divisible by the number (20) 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 245432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339736032).

245432320 is an abundant number, since it is smaller than the sum of its proper divisors (434039744).

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

245432320 is an frugal number, since it uses more digits than its factorization.

245432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 245432320 is about 15666.2797115333. The cubic root of 245432320 is about 626.1003081783.

Adding to 245432320 its reverse (23234542), we get a palindrome (268666862).

The spelling of 245432320 in words is "two hundred forty-five million, four hundred thirty-two thousand, three hundred twenty".