149515016 has 64 divisors (see below), whose sum is σ = 327888000. Its totient is φ = 62599680.

The previous prime is 149514997. The next prime is 149515021. The reversal of 149515016 is 610515941.

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, 652790 + ... + 653018.

It is an arithmetic number, because the mean of its divisors is an integer number (5123250).

Almost surely, 2^149515016 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 149515016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163944000).

149515016 is an abundant number, since it is smaller than the sum of its proper divisors (178372984).

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

149515016 is a wasteful number, since it uses less digits than its factorization.

149515016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 149515016 is about 12227.6332951230. The cubic root of 149515016 is about 530.7560303224.

The spelling of 149515016 in words is "one hundred forty-nine million, five hundred fifteen thousand, sixteen".