122453135145 has 96 divisors (see below), whose sum is σ = 235688379264. Its totient is φ = 58312396800.

The previous prime is 122453135143. The next prime is 122453135171. The reversal of 122453135145 is 541531354221.

122453135145 is a `hidden beast` number, since 12 + 24 + 531 + 3 + 51 + 45 = 666.

It is not a de Polignac number, because 122453135145 - 2¹ = 122453135143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122453135143) 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 95 ways as a sum of consecutive naturals, for example, 23760889 + ... + 23766041.

It is an arithmetic number, because the mean of its divisors is an integer number (2455087284).

Almost surely, 2^122453135145 is an apocalyptic number.

122453135145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122453135145 is a deficient number, since it is larger than the sum of its proper divisors (113235244119).

122453135145 is a wasteful number, since it uses less digits than its factorization.

122453135145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023 (or 6020 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 122453135145 its reverse (541531354221), we get a palindrome (663984489366).

The spelling of 122453135145 in words is "one hundred twenty-two billion, four hundred fifty-three million, one hundred thirty-five thousand, one hundred forty-five".