245134242 has 32 divisors (see below), whose sum is σ = 549753600. Its totient is φ = 80959824.

The previous prime is 245134231. The next prime is 245134277. The reversal of 245134242 is 242431542.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14938 + ... + 26709.

It is an arithmetic number, because the mean of its divisors is an integer number (17179800).

Almost surely, 2^245134242 is an apocalyptic number.

245134242 is an abundant number, since it is smaller than the sum of its proper divisors (304619358).

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

245134242 is a wasteful number, since it uses less digits than its factorization.

245134242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41767 (or 41761 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 245134242 is about 15656.7634586462. The cubic root of 245134242 is about 625.8467388420.

Adding to 245134242 its reverse (242431542), we get a palindrome (487565784).

The spelling of 245134242 in words is "two hundred forty-five million, one hundred thirty-four thousand, two hundred forty-two".