245501130 has 64 divisors (see below), whose sum is σ = 675567360. Its totient is φ = 55931904.

The previous prime is 245501129. The next prime is 245501143. The reversal of 245501130 is 31105542.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 245501097 and 245501106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69036 + ... + 72504.

It is an arithmetic number, because the mean of its divisors is an integer number (10555740).

Almost surely, 2^245501130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245501130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337783680).

245501130 is an abundant number, since it is smaller than the sum of its proper divisors (430066230).

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

245501130 is a wasteful number, since it uses less digits than its factorization.

245501130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 245501130 is about 15668.4756756999. The cubic root of 245501130 is about 626.1588143776.

Adding to 245501130 its reverse (31105542), we get a palindrome (276606672).

The spelling of 245501130 in words is "two hundred forty-five million, five hundred one thousand, one hundred thirty".