154136204346012 has 144 divisors (see below), whose sum is σ = 424420878349440. Its totient is φ = 43404481938048.

The previous prime is 154136204345989. The next prime is 154136204346013. The reversal of 154136204346012 is 210643402631451.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154136204346013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16680058 + ... + 24217694.

It is an arithmetic number, because the mean of its divisors is an integer number (2947367210760).

Almost surely, 2^{154136204346012} is an apocalyptic number.

154136204346012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154136204346012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212210439174720).

154136204346012 is an abundant number, since it is smaller than the sum of its proper divisors (270284674003428).

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

154136204346012 is a wasteful number, since it uses less digits than its factorization.

154136204346012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538160 (or 7538151 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 154136204346012 its reverse (210643402631451), we get a palindrome (364779606977463).

The spelling of 154136204346012 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, two hundred four million, three hundred forty-six thousand, twelve".