149785704 has 24 divisors (see below), whose sum is σ = 405669810. Its totient is φ = 49928544.

The previous prime is 149785697. The next prime is 149785711. The reversal of 149785704 is 407587941.

It is a happy number.

149785704 is a `hidden beast` number, since 1 + 4 + 9 + 78 + 570 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (149785697) and next prime (149785711).

It can be written as a sum of positive squares in only one way, i.e., 146168100 + 3617604 = 12090^2 + 1902^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 149785704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1040107 + ... + 1040250.

Almost surely, 2^149785704 is an apocalyptic number.

It is an amenable number.

149785704 is an abundant number, since it is smaller than the sum of its proper divisors (255884106).

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

149785704 is a wasteful number, since it uses less digits than its factorization.

149785704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080369 (or 2080362 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 149785704 is about 12238.6969894675. The cubic root of 149785704 is about 531.0761379115.

The spelling of 149785704 in words is "one hundred forty-nine million, seven hundred eighty-five thousand, seven hundred four".