245180156 has 24 divisors (see below), whose sum is σ = 462713664. Its totient is φ = 113002560.

The previous prime is 245180141. The next prime is 245180189. The reversal of 245180156 is 651081542.

It is a super-2 number, since 2×245180156² = 120226617792368672, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 39821 + ... + 45563.

It is an arithmetic number, because the mean of its divisors is an integer number (19279736).

Almost surely, 2^245180156 is an apocalyptic number.

245180156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

245180156 is a deficient number, since it is larger than the sum of its proper divisors (217533508).

245180156 is a wasteful number, since it uses less digits than its factorization.

245180156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581 (or 6579 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 245180156 is about 15658.2296572761. The cubic root of 245180156 is about 625.8858104041.

The spelling of 245180156 in words is "two hundred forty-five million, one hundred eighty thousand, one hundred fifty-six".