149486656 has 56 divisors (see below), whose sum is σ = 331561440. Its totient is φ = 66278400.

The previous prime is 149486653. The next prime is 149486657. The reversal of 149486656 is 656684941.

It is not an unprimeable number, because it can be changed into a prime (149486653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26275 + ... + 31453.

It is an arithmetic number, because the mean of its divisors is an integer number (5920740).

Almost surely, 2^149486656 is an apocalyptic number.

149486656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149486656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165780720).

149486656 is an abundant number, since it is smaller than the sum of its proper divisors (182074784).

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

149486656 is a wasteful number, since it uses less digits than its factorization.

149486656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243 (or 5233 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 149486656 is about 12226.4735717213. The cubic root of 149486656 is about 530.7224702756.

The spelling of 149486656 in words is "one hundred forty-nine million, four hundred eighty-six thousand, six hundred fifty-six".