245454524421 has 16 divisors (see below), whose sum is σ = 327828479808. Its totient is φ = 163358553600.

The previous prime is 245454524411. The next prime is 245454524431. The reversal of 245454524421 is 124425454542.

It is an interprime number because it is at equal distance from previous prime (245454524411) and next prime (245454524431).

It is not a de Polignac number, because 245454524421 - 2²² = 245450330117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245454524411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17306485 + ... + 17320661.

It is an arithmetic number, because the mean of its divisors is an integer number (20489279988).

Almost surely, 2^245454524421 is an apocalyptic number.

It is an amenable number.

245454524421 is a deficient number, since it is larger than the sum of its proper divisors (82373955387).

245454524421 is a wasteful number, since it uses less digits than its factorization.

245454524421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23572.

The product of its digits is 1024000, while the sum is 42.

Adding to 245454524421 its reverse (124425454542), we get a palindrome (369879978963).

The spelling of 245454524421 in words is "two hundred forty-five billion, four hundred fifty-four million, five hundred twenty-four thousand, four hundred twenty-one".