245125040 has 40 divisors (see below), whose sum is σ = 603443520. Its totient is φ = 92281856.

The previous prime is 245125039. The next prime is 245125043. The reversal of 245125040 is 40521542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 245124997 and 245125015.

It is not an unprimeable number, because it can be changed into a prime (245125043) 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, 88760 + ... + 91479.

It is an arithmetic number, because the mean of its divisors is an integer number (15086088).

Almost surely, 2^245125040 is an apocalyptic number.

245125040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245125040 is an abundant number, since it is smaller than the sum of its proper divisors (358318480).

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

245125040 is a wasteful number, since it uses less digits than its factorization.

245125040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180269 (or 180263 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 245125040 is about 15656.4695892784. The cubic root of 245125040 is about 625.8389076040.

Adding to 245125040 its reverse (40521542), we get a palindrome (285646582).

The spelling of 245125040 in words is "two hundred forty-five million, one hundred twenty-five thousand, forty".