245130000 has 100 divisors (see below), whose sum is σ = 791409168. Its totient is φ = 65360000.

The previous prime is 245129981. The next prime is 245130007. The reversal of 245130000 is 31542.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (245130007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25915 + ... + 34085.

Almost surely, 2^245130000 is an apocalyptic number.

245130000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395704584).

245130000 is an abundant number, since it is smaller than the sum of its proper divisors (546279168).

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

245130000 is an equidigital number, since it uses as much as digits as its factorization.

245130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202 (or 8181 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 245130000 is about 15656.6279894491. The cubic root of 245130000 is about 625.8431287694.

Adding to 245130000 its reverse (31542), we get a palindrome (245161542).

The spelling of 245130000 in words is "two hundred forty-five million, one hundred thirty thousand".