245437121455 has 16 divisors (see below), whose sum is σ = 309862353024. Its totient is φ = 186383358720.

The previous prime is 245437121443. The next prime is 245437121471. The reversal of 245437121455 is 554121734542.

245437121455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245437121455 - 2¹³ = 245437113263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16171527 + ... + 16186696.

It is an arithmetic number, because the mean of its divisors is an integer number (19366397064).

Almost surely, 2^245437121455 is an apocalyptic number.

245437121455 is a deficient number, since it is larger than the sum of its proper divisors (64425231569).

245437121455 is a wasteful number, since it uses less digits than its factorization.

245437121455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32358306.

The product of its digits is 672000, while the sum is 43.

Adding to 245437121455 its reverse (554121734542), we get a palindrome (799558855997).

The spelling of 245437121455 in words is "two hundred forty-five billion, four hundred thirty-seven million, one hundred twenty-one thousand, four hundred fifty-five".