245140856401 has 8 divisors (see below), whose sum is σ = 280180335744. Its totient is φ = 210106216320.

The previous prime is 245140856339. The next prime is 245140856413. The reversal of 245140856401 is 104658041542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245140856401 - 2⁹ = 245140855889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245140856501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1100605 + ... + 1304458.

It is an arithmetic number, because the mean of its divisors is an integer number (35022541968).

Almost surely, 2^245140856401 is an apocalyptic number.

It is an amenable number.

245140856401 is a deficient number, since it is larger than the sum of its proper divisors (35039479343).

245140856401 is a wasteful number, since it uses less digits than its factorization.

245140856401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419631.

The product of its (nonzero) digits is 153600, while the sum is 40.

Adding to 245140856401 its reverse (104658041542), we get a palindrome (349798897943).

The spelling of 245140856401 in words is "two hundred forty-five billion, one hundred forty million, eight hundred fifty-six thousand, four hundred one".