245431472 has 40 divisors (see below), whose sum is σ = 558662160. Its totient is φ = 102977280.

The previous prime is 245431469. The next prime is 245431477. The reversal of 245431472 is 274134542.

245431472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245431477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51347 + ... + 55922.

It is an arithmetic number, because the mean of its divisors is an integer number (13966554).

Almost surely, 2^245431472 is an apocalyptic number.

245431472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

245431472 is an abundant number, since it is smaller than the sum of its proper divisors (313230688).

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

245431472 is a wasteful number, since it uses less digits than its factorization.

245431472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107301 (or 107295 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 245431472 is about 15666.2526470117. The cubic root of 245431472 is about 626.0995870920.

The spelling of 245431472 in words is "two hundred forty-five million, four hundred thirty-one thousand, four hundred seventy-two".