245452356 has 72 divisors (see below), whose sum is σ = 653205280. Its totient is φ = 80574912.

The previous prime is 245452301. The next prime is 245452357. The reversal of 245452356 is 653254542.

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

It is a self number, because there is not a number n which added to its sum of digits gives 245452356.

It is not an unprimeable number, because it can be changed into a prime (245452357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63240 + ... + 67008.

Almost surely, 2^245452356 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 245452356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326602640).

245452356 is an abundant number, since it is smaller than the sum of its proper divisors (407752924).

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

245452356 is a wasteful number, since it uses less digits than its factorization.

245452356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3855 (or 3841 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 245452356 is about 15666.9191610859. The cubic root of 245452356 is about 626.1173450603.

The spelling of 245452356 in words is "two hundred forty-five million, four hundred fifty-two thousand, three hundred fifty-six".