245033140 has 24 divisors (see below), whose sum is σ = 561349152. Its totient is φ = 89102880.

The previous prime is 245033123. The next prime is 245033143. The reversal of 245033140 is 41330542.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245033143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556674 + ... + 557113.

It is an arithmetic number, because the mean of its divisors is an integer number (23389548).

Almost surely, 2^245033140 is an apocalyptic number.

245033140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245033140 is an abundant number, since it is smaller than the sum of its proper divisors (316316012).

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

245033140 is a wasteful number, since it uses less digits than its factorization.

245033140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113807 (or 1113805 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 245033140 is about 15653.5344251706. The cubic root of 245033140 is about 625.7606865938.

Adding to 245033140 its reverse (41330542), we get a palindrome (286363682).

The spelling of 245033140 in words is "two hundred forty-five million, thirty-three thousand, one hundred forty".