149857217304 has 128 divisors (see below), whose sum is σ = 398590156800. Its totient is φ = 46877253120.

The previous prime is 149857217299. The next prime is 149857217317. The reversal of 149857217304 is 403712758941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3791854 + ... + 3831170.

It is an arithmetic number, because the mean of its divisors is an integer number (3113985600).

Almost surely, 2^149857217304 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 149857217304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199295078400).

149857217304 is an abundant number, since it is smaller than the sum of its proper divisors (248732939496).

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

149857217304 is a wasteful number, since it uses less digits than its factorization.

149857217304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39513 (or 39509 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 51.

The spelling of 149857217304 in words is "one hundred forty-nine billion, eight hundred fifty-seven million, two hundred seventeen thousand, three hundred four".