149281704 has 224 divisors, whose sum is σ = 495784800. Its totient is φ = 41523840.

The previous prime is 149281703. The next prime is 149281733. The reversal of 149281704 is 407182941.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (149281703) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 833887 + ... + 834065.

It is an arithmetic number, because the mean of its divisors is an integer number (2213325).

Almost surely, 2^149281704 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 149281704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247892400).

149281704 is an abundant number, since it is smaller than the sum of its proper divisors (346503096).

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

149281704 is a wasteful number, since it uses less digits than its factorization.

149281704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 149281704 is about 12218.0892123114. The cubic root of 149281704 is about 530.4798123175.

The spelling of 149281704 in words is "one hundred forty-nine million, two hundred eighty-one thousand, seven hundred four".