245402126 has 4 divisors (see below), whose sum is σ = 368103192. Its totient is φ = 122701062.

The previous prime is 245402117. The next prime is 245402149. The reversal of 245402126 is 621204542.

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

It is a junction number, because it is equal to n+sod(n) for n = 245402095 and 245402104.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 61350530 + ... + 61350533.

It is an arithmetic number, because the mean of its divisors is an integer number (92025798).

Almost surely, 2^245402126 is an apocalyptic number.

245402126 is a deficient number, since it is larger than the sum of its proper divisors (122701066).

245402126 is a wasteful number, since it uses less digits than its factorization.

245402126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122701065.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 245402126 is about 15665.3160197935. The cubic root of 245402126 is about 626.0746320598.

Adding to 245402126 its reverse (621204542), we get a palindrome (866606668).

The spelling of 245402126 in words is "two hundred forty-five million, four hundred two thousand, one hundred twenty-six".