149801717906944 has 80 divisors (see below), whose sum is σ = 316972972806336. Its totient is φ = 70482558976000.

The previous prime is 149801717906923. The next prime is 149801717906983. The reversal of 149801717906944 is 449609717108941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48201744 + ... + 51215344.

Almost surely, 2^{149801717906944} 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 149801717906944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158486486403168).

149801717906944 is an abundant number, since it is smaller than the sum of its proper divisors (167171254899392).

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

149801717906944 is an equidigital number, since it uses as much as digits as its factorization.

149801717906944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019347 (or 3019331 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 70.

The spelling of 149801717906944 in words is "one hundred forty-nine trillion, eight hundred one billion, seven hundred seventeen million, nine hundred six thousand, nine hundred forty-four".