245073900 has 72 divisors (see below), whose sum is σ = 710829504. Its totient is φ = 65192000.

The previous prime is 245073893. The next prime is 245073911. The reversal of 245073900 is 9370542.

It is a super-2 number, since 2×245073900² = 120122432922420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168175 + ... + 169625.

It is an arithmetic number, because the mean of its divisors is an integer number (9872632).

Almost surely, 2^245073900 is an apocalyptic number.

245073900 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 245073900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355414752).

245073900 is an abundant number, since it is smaller than the sum of its proper divisors (465755604).

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

245073900 is a wasteful number, since it uses less digits than its factorization.

245073900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 245073900 is about 15654.8363134208. The cubic root of 245073900 is about 625.7953820252.

The spelling of 245073900 in words is "two hundred forty-five million, seventy-three thousand, nine hundred".