154850717812 has 48 divisors (see below), whose sum is σ = 317490904192. Its totient is φ = 64701141120.

The previous prime is 154850717803. The next prime is 154850717831. The reversal of 154850717812 is 218717058451.

It is a congruent number.

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, 532498 + ... + 770230.

Almost surely, 2^154850717812 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 154850717812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158745452096).

154850717812 is an abundant number, since it is smaller than the sum of its proper divisors (162640186380).

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

154850717812 is a wasteful number, since it uses less digits than its factorization.

154850717812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238328 (or 238326 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 49.

The spelling of 154850717812 in words is "one hundred fifty-four billion, eight hundred fifty million, seven hundred seventeen thousand, eight hundred twelve".