245104380 has 84 divisors (see below), whose sum is σ = 771771672. Its totient is φ = 65357280.

The previous prime is 245104367. The next prime is 245104381. The reversal of 245104380 is 83401542.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245104381) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 6175 + ... + 22985.

It is an arithmetic number, because the mean of its divisors is an integer number (9187758).

Almost surely, 2^245104380 is an apocalyptic number.

245104380 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 245104380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385885836).

245104380 is an abundant number, since it is smaller than the sum of its proper divisors (526667292).

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

245104380 is a wasteful number, since it uses less digits than its factorization.

245104380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16838 (or 16821 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 245104380 is about 15655.8097842303. The cubic root of 245104380 is about 625.8213244757.

The spelling of 245104380 in words is "two hundred forty-five million, one hundred four thousand, three hundred eighty".