12344155146 has 12 divisors (see below), whose sum is σ = 26745669522. Its totient is φ = 4114718376.

The previous prime is 12344155127. The next prime is 12344155147. The reversal of 12344155146 is 64155144321.

12344155146 is a `hidden beast` number, since 1 + 23 + 4 + 41 + 551 + 46 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8407973025 + 3936182121 = 91695^2 + 62739^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12344155146.

It is not an unprimeable number, because it can be changed into a prime (12344155147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342893181 + ... + 342893216.

Almost surely, 2^12344155146 is an apocalyptic number.

12344155146 is an abundant number, since it is smaller than the sum of its proper divisors (14401514376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12344155146 is a wasteful number, since it uses less digits than its factorization.

12344155146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685786405 (or 685786402 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 12344155146 its reverse (64155144321), we get a palindrome (76499299467).

The spelling of 12344155146 in words is "twelve billion, three hundred forty-four million, one hundred fifty-five thousand, one hundred forty-six".