154812232172032 has 160 divisors (see below), whose sum is σ = 318614784491520. Its totient is φ = 75110036951040.

The previous prime is 154812232172027. The next prime is 154812232172089. The reversal of 154812232172032 is 230271232218451.

It is a self number, because there is not a number n which added to its sum of digits gives 154812232172032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3426618819 + ... + 3426663997.

It is an arithmetic number, because the mean of its divisors is an integer number (1991342403072).

Almost surely, 2^{154812232172032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154812232172032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159307392245760).

154812232172032 is an abundant number, since it is smaller than the sum of its proper divisors (163802552319488).

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

154812232172032 is a wasteful number, since it uses less digits than its factorization.

154812232172032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46462 (or 46446 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 154812232172032 in words is "one hundred fifty-four trillion, eight hundred twelve billion, two hundred thirty-two million, one hundred seventy-two thousand, thirty-two".