245310421021354 has 16 divisors (see below), whose sum is σ = 419580720118728. Its totient is φ = 106560182886912.

The previous prime is 245310421021339. The next prime is 245310421021423. The reversal of 245310421021354 is 453120124013542.

It can be written as a sum of positive squares in 4 ways, for example, as 222101584843329 + 23208836178025 = 14903073^2 + 4817555^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277500475827 + ... + 277500476710.

Almost surely, 2^{245310421021354} is an apocalyptic number.

245310421021354 is a deficient number, since it is larger than the sum of its proper divisors (174270299097374).

245310421021354 is a wasteful number, since it uses less digits than its factorization.

245310421021354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555000952569.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 245310421021354 its reverse (453120124013542), we get a palindrome (698430545034896).

The spelling of 245310421021354 in words is "two hundred forty-five trillion, three hundred ten billion, four hundred twenty-one million, twenty-one thousand, three hundred fifty-four".