149438782 has 32 divisors (see below), whose sum is σ = 235952640. Its totient is φ = 70917120.

The previous prime is 149438777. The next prime is 149438801. The reversal of 149438782 is 287834941.

It is a congruent number.

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, 782307 + ... + 782497.

It is an arithmetic number, because the mean of its divisors is an integer number (7373520).

Almost surely, 2^149438782 is an apocalyptic number.

149438782 is a deficient number, since it is larger than the sum of its proper divisors (86513858).

149438782 is a wasteful number, since it uses less digits than its factorization.

149438782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its digits is 387072, while the sum is 46.

The square root of 149438782 is about 12224.5156141256. The cubic root of 149438782 is about 530.6658085395.

The spelling of 149438782 in words is "one hundred forty-nine million, four hundred thirty-eight thousand, seven hundred eighty-two".