245134402 has 4 divisors (see below), whose sum is σ = 367701606. Its totient is φ = 122567200.

The previous prime is 245134397. The next prime is 245134427. The reversal of 245134402 is 204431542.

It is a happy number.

245134402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 235898881 + 9235521 = 15359^2 + 3039^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61283599 + ... + 61283602.

Almost surely, 2^245134402 is an apocalyptic number.

245134402 is a deficient number, since it is larger than the sum of its proper divisors (122567204).

245134402 is a wasteful number, since it uses less digits than its factorization.

245134402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122567203.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 245134402 is about 15656.7685682583. The cubic root of 245134402 is about 625.8468750061.

Adding to 245134402 its reverse (204431542), we get a palindrome (449565944).

The spelling of 245134402 in words is "two hundred forty-five million, one hundred thirty-four thousand, four hundred two".