245547450 has 120 divisors (see below), whose sum is σ = 718391520. Its totient is φ = 62013600.

The previous prime is 245547427. The next prime is 245547521. The reversal of 245547450 is 54745542.

It is a happy number.

245547450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 75355 + ... + 78545.

It is an arithmetic number, because the mean of its divisors is an integer number (5986596).

Almost surely, 2^245547450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245547450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359195760).

245547450 is an abundant number, since it is smaller than the sum of its proper divisors (472844070).

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

245547450 is a wasteful number, since it uses less digits than its factorization.

245547450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234 (or 3220 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 245547450 is about 15669.9537331799. The cubic root of 245547450 is about 626.1981921357.

The spelling of 245547450 in words is "two hundred forty-five million, five hundred forty-seven thousand, four hundred fifty".