245039156 has 24 divisors (see below), whose sum is σ = 455051520. Its totient is φ = 115056512.

The previous prime is 245039147. The next prime is 245039189. The reversal of 245039156 is 651930542.

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, 28811 + ... + 36333.

It is an arithmetic number, because the mean of its divisors is an integer number (18960480).

Almost surely, 2^245039156 is an apocalyptic number.

It is an amenable number.

245039156 is a deficient number, since it is larger than the sum of its proper divisors (210012364).

245039156 is a wasteful number, since it uses less digits than its factorization.

245039156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023 (or 8021 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 245039156 is about 15653.7265850659. The cubic root of 245039156 is about 625.7658077317.

Adding to 245039156 its reverse (651930542), we get a palindrome (896969698).

The spelling of 245039156 in words is "two hundred forty-five million, thirty-nine thousand, one hundred fifty-six".