245165524 has 12 divisors (see below), whose sum is σ = 430636500. Its totient is φ = 122126528.

The previous prime is 245165497. The next prime is 245165537. The reversal of 245165524 is 425561542.

It can be written as a sum of positive squares in 2 ways, for example, as 24108100 + 221057424 = 4910^2 + 14868^2 .

It is a super-2 number, since 2×245165524² = 120212268316389152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245165524.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 112849 + ... + 115000.

It is an arithmetic number, because the mean of its divisors is an integer number (35886375).

Almost surely, 2^245165524 is an apocalyptic number.

It is an amenable number.

245165524 is a deficient number, since it is larger than the sum of its proper divisors (185470976).

245165524 is a wasteful number, since it uses less digits than its factorization.

245165524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228122 (or 228120 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 245165524 is about 15657.7624199628. The cubic root of 245165524 is about 625.8733595006.

The spelling of 245165524 in words is "two hundred forty-five million, one hundred sixty-five thousand, five hundred twenty-four".