245423665155 has 8 divisors (see below), whose sum is σ = 392677864272. Its totient is φ = 130892621408.

The previous prime is 245423665129. The next prime is 245423665169. The reversal of 245423665155 is 551566324542.

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

It is a cyclic number.

It is not a de Polignac number, because 245423665155 - 2¹⁰ = 245423664131 is a prime.

It is a super-2 number, since 2×245423665155² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8180788824 + ... + 8180788853.

It is an arithmetic number, because the mean of its divisors is an integer number (49084733034).

Almost surely, 2^245423665155 is an apocalyptic number.

245423665155 is a deficient number, since it is larger than the sum of its proper divisors (147254199117).

245423665155 is a wasteful number, since it uses less digits than its factorization.

245423665155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16361577685.

The product of its digits is 4320000, while the sum is 48.

Adding to 245423665155 its reverse (551566324542), we get a palindrome (796989989697).

The spelling of 245423665155 in words is "two hundred forty-five billion, four hundred twenty-three million, six hundred sixty-five thousand, one hundred fifty-five".