245436628 has 24 divisors (see below), whose sum is σ = 444969000. Its totient is φ = 118315008.

The previous prime is 245436613. The next prime is 245436649. The reversal of 245436628 is 826634542.

It can be written as a sum of positive squares in 4 ways, for example, as 134513604 + 110923024 = 11598^2 + 10532^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120676 + ... + 122692.

It is an arithmetic number, because the mean of its divisors is an integer number (18540375).

Almost surely, 2^245436628 is an apocalyptic number.

It is an amenable number.

245436628 is a deficient number, since it is larger than the sum of its proper divisors (199532372).

245436628 is a wasteful number, since it uses less digits than its factorization.

245436628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099 (or 3097 counting only the distinct ones).

The product of its digits is 276480, while the sum is 40.

The square root of 245436628 is about 15666.4172036876. The cubic root of 245436628 is about 626.1039714073.

The spelling of 245436628 in words is "two hundred forty-five million, four hundred thirty-six thousand, six hundred twenty-eight".