245551544 has 72 divisors (see below), whose sum is σ = 548321760. Its totient is φ = 102787776.

The previous prime is 245551541. The next prime is 245551549. The reversal of 245551544 is 445155542.

245551544 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245551541) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1101017 + ... + 1101239.

It is an arithmetic number, because the mean of its divisors is an integer number (7615580).

Almost surely, 2^245551544 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 245551544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274160880).

245551544 is an abundant number, since it is smaller than the sum of its proper divisors (302770216).

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

245551544 is a wasteful number, since it uses less digits than its factorization.

245551544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 285 counting only the distinct ones).

The product of its digits is 80000, while the sum is 35.

The square root of 245551544 is about 15670.0843648016. The cubic root of 245551544 is about 626.2016723065.

The spelling of 245551544 in words is "two hundred forty-five million, five hundred fifty-one thousand, five hundred forty-four".