245252136 has 16 divisors (see below), whose sum is σ = 613130400. Its totient is φ = 81750704.

The previous prime is 245252131. The next prime is 245252141. The reversal of 245252136 is 631252542.

It is an interprime number because it is at equal distance from previous prime (245252131) and next prime (245252141).

It is a super-2 number, since 2×245252136² = 120297220425124992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245252131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5109396 + ... + 5109443.

It is an arithmetic number, because the mean of its divisors is an integer number (38320650).

Almost surely, 2^245252136 is an apocalyptic number.

It is an amenable number.

245252136 is an abundant number, since it is smaller than the sum of its proper divisors (367878264).

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

245252136 is a wasteful number, since it uses less digits than its factorization.

245252136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218848 (or 10218844 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 245252136 is about 15660.5279604488. The cubic root of 245252136 is about 625.9470536050.

The spelling of 245252136 in words is "two hundred forty-five million, two hundred fifty-two thousand, one hundred thirty-six".