149288404 has 12 divisors (see below), whose sum is σ = 270263700. Its totient is φ = 72070208.

The previous prime is 149288393. The next prime is 149288413. The reversal of 149288404 is 404882941.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72760900 + 76527504 = 8530^2 + 8748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643369 + ... + 643600.

It is an arithmetic number, because the mean of its divisors is an integer number (22521975).

Almost surely, 2^149288404 is an apocalyptic number.

It is an amenable number.

149288404 is a deficient number, since it is larger than the sum of its proper divisors (120975296).

149288404 is a wasteful number, since it uses less digits than its factorization.

149288404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287002 (or 1287000 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 149288404 is about 12218.3633928608. The cubic root of 149288404 is about 530.4877484576.

It can be divided in two parts, 14928 and 8404, that added together give a palindrome (23332).

The spelling of 149288404 in words is "one hundred forty-nine million, two hundred eighty-eight thousand, four hundred four".