245275524 has 72 divisors (see below), whose sum is σ = 706993560. Its totient is φ = 71027712.

The previous prime is 245275451. The next prime is 245275529. The reversal of 245275524 is 425572542.

It can be written as a sum of positive squares in 4 ways, for example, as 70560000 + 174715524 = 8400^2 + 13218^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (245275529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7459 + ... + 23370.

It is an arithmetic number, because the mean of its divisors is an integer number (9819355).

Almost surely, 2^245275524 is an apocalyptic number.

It is an amenable number.

245275524 is an abundant number, since it is smaller than the sum of its proper divisors (461718036).

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

245275524 is a wasteful number, since it uses less digits than its factorization.

245275524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30869 (or 30864 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 245275524 is about 15661.2746607676. The cubic root of 245275524 is about 625.9669503863.

The spelling of 245275524 in words is "two hundred forty-five million, two hundred seventy-five thousand, five hundred twenty-four".