245700000 has 576 divisors, whose sum is σ = 1102429440. Its totient is φ = 51840000.

The previous prime is 245699999. The next prime is 245700023. The reversal of 245700000 is 7542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18899994 + ... + 18900006.

It is an arithmetic number, because the mean of its divisors is an integer number (1913940).

Almost surely, 2^245700000 is an apocalyptic number.

245700000 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 245700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551214720).

245700000 is an abundant number, since it is smaller than the sum of its proper divisors (856729440).

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

245700000 is an equidigital number, since it uses as much as digits as its factorization.

245700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 245700000 is about 15674.8205731358. The cubic root of 245700000 is about 626.3278435990.

Adding to 245700000 its reverse (7542), we get a palindrome (245707542).

The spelling of 245700000 in words is "two hundred forty-five million, seven hundred thousand".