245577157 has 16 divisors (see below), whose sum is σ = 284457600. Its totient is φ = 207662400.

The previous prime is 245577151. The next prime is 245577161. The reversal of 245577157 is 751775542.

It is a cyclic number.

It is not a de Polignac number, because 245577157 - 2¹⁹ = 245052869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245577151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295819 + ... + 296647.

It is an arithmetic number, because the mean of its divisors is an integer number (17778600).

Almost surely, 2^245577157 is an apocalyptic number.

It is an amenable number.

245577157 is a deficient number, since it is larger than the sum of its proper divisors (38880443).

245577157 is a wasteful number, since it uses less digits than its factorization.

245577157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356.

The product of its digits is 343000, while the sum is 43.

The square root of 245577157 is about 15670.9016013757. The cubic root of 245577157 is about 626.2234441723.

The spelling of 245577157 in words is "two hundred forty-five million, five hundred seventy-seven thousand, one hundred fifty-seven".