245154105044 has 6 divisors (see below), whose sum is σ = 429019683834. Its totient is φ = 122577052520.

The previous prime is 245154105043. The next prime is 245154105061. The reversal of 245154105044 is 440501451542.

It can be written as a sum of positive squares in only one way, i.e., 202309244944 + 42844860100 = 449788^2 + 206990^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245154104995 and 245154105013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245154105043) 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 as a sum of consecutive naturals, namely, 30644263127 + ... + 30644263134.

It is an arithmetic number, because the mean of its divisors is an integer number (71503280639).

Almost surely, 2^245154105044 is an apocalyptic number.

It is an amenable number.

245154105044 is a deficient number, since it is larger than the sum of its proper divisors (183865578790).

245154105044 is a wasteful number, since it uses less digits than its factorization.

245154105044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61288526265 (or 61288526263 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 245154105044 its reverse (440501451542), we get a palindrome (685655556586).

The spelling of 245154105044 in words is "two hundred forty-five billion, one hundred fifty-four million, one hundred five thousand, forty-four".