245039157 has 36 divisors (see below), whose sum is σ = 393880032. Its totient is φ = 146665200.

The previous prime is 245039147. The next prime is 245039189. The reversal of 245039157 is 751930542.

It is not a de Polignac number, because 245039157 - 2⁴ = 245039141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245039107) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 89032 + ... + 91742.

It is an arithmetic number, because the mean of its divisors is an integer number (10941112).

Almost surely, 2^245039157 is an apocalyptic number.

It is an amenable number.

245039157 is a deficient number, since it is larger than the sum of its proper divisors (148840875).

245039157 is a wasteful number, since it uses less digits than its factorization.

245039157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 245039157 is about 15653.7266170072. The cubic root of 245039157 is about 625.7658085830.

Adding to 245039157 its reverse (751930542), we get a palindrome (996969699).

The spelling of 245039157 in words is "two hundred forty-five million, thirty-nine thousand, one hundred fifty-seven".