245136136 has 32 divisors (see below), whose sum is σ = 527221440. Its totient is φ = 104672448.

The previous prime is 245136121. The next prime is 245136149. The reversal of 245136136 is 631631542.

245136136 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×245136136⁴ (a number of 35 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245136098 and 245136107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7611 + ... + 23413.

It is an arithmetic number, because the mean of its divisors is an integer number (16475670).

Almost surely, 2^245136136 is an apocalyptic number.

It is an amenable number.

245136136 is an abundant number, since it is smaller than the sum of its proper divisors (282085304).

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

245136136 is a wasteful number, since it uses less digits than its factorization.

245136136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16093 (or 16089 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 245136136 is about 15656.8239435717. The cubic root of 245136136 is about 625.8483506808.

Adding to 245136136 its reverse (631631542), we get a palindrome (876767678).

The spelling of 245136136 in words is "two hundred forty-five million, one hundred thirty-six thousand, one hundred thirty-six".