245133700000 has 144 divisors (see below), whose sum is σ = 689396375808. Its totient is φ = 84045600000.

The previous prime is 245133699997. The next prime is 245133700087. The reversal of 245133700000 is 7331542.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524905 + ... + 875095.

It is an arithmetic number, because the mean of its divisors is an integer number (4787474832).

Almost surely, 2^245133700000 is an apocalyptic number.

245133700000 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 245133700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344698187904).

245133700000 is an abundant number, since it is smaller than the sum of its proper divisors (444262675808).

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

245133700000 is an frugal number, since it uses more digits than its factorization.

245133700000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350233 (or 350205 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The spelling of 245133700000 in words is "two hundred forty-five billion, one hundred thirty-three million, seven hundred thousand".