245816604 has 144 divisors (see below), whose sum is σ = 733649280. Its totient is φ = 68584320.

The previous prime is 245816591. The next prime is 245816611. The reversal of 245816604 is 406618542.

245816604 is a `hidden beast` number, since 2 + 45 + 8 + 1 + 6 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 277947 + ... + 278829.

Almost surely, 2^245816604 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 245816604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366824640).

245816604 is an abundant number, since it is smaller than the sum of its proper divisors (487832676).

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

245816604 is a wasteful number, since it uses less digits than its factorization.

245816604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 245816604 is about 15678.5396003582. The cubic root of 245816604 is about 626.4269085586.

The spelling of 245816604 in words is "two hundred forty-five million, eight hundred sixteen thousand, six hundred four".